You can't be serious, his wealth is likely all tied up in stock and investments. Does even the richest person in the world have a cool 1 bil just sat in the bank? In that case it's very noticeable to have 1/5 your balance vanish.
There is no bank account of cash involved.
But $200M is less than .2% of his wealth.
It’s not even 10% of the annual growth in his wealth.
Bezos can write a check for $200,000,000 today and his bankers will cover it.
He can spend $1,000,000 to pay Goldman Sachs to leverage his investments to most efficiently cover just that one check’s cash value, and not even notice it.