Answer:
The answer to your question: World's energy = 4.15 x 10 ¹⁶ BTU
Step-by-step explanation:
USA energy = 23.5%
BTU = 97.6 quatrillion = 97600000000000000
World's energy consumption = ?
1 quatrillion = 1 000 000 000 000 000
9760000000000000 --------------- 23.5%
x --------------- 100%
x = 100 x 9760000000000000 / 23.5
X = 4.15 x 10 ¹⁶ BTU