You are correct, I did have the wrong number.
US debt is in USD, question is how China's debt is structured.
Re:How China accumulated $28T in debt
by toomuchtodo on Thursday January 28, 2016 @04:16PM
(#10991424)
Private Chinese debt becomes public if the Chinese government intends to backstop private losses.
The public + private US debt/gdp ratio is ~270%.
https://en.wikipedia.org/wiki/Financial_position_of_the_Unit...