Finding the Fourth Proportional to 212,273,429,933.80, 318,454,869,808.12 and 68,841,274,163.98
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Solution
The fourth proportional to 212,273,429,933.80, 318,454,869,808.12 and 68,841,274,163.98 is: 103,276,415,744.31
Step by Step Solution
- Step 1: Write the proportion equation
212,273,429,933.80 : 318,454,869,808.12 = 68,841,274,163.98 : x - Step 2: Convert to fraction form
212,273,429,933.80/318,454,869,808.12 = 68,841,274,163.98/x - Step 3: Cross multiply
212,273,429,933.80x = 318,454,869,808.12 × 68,841,274,163.98 - Step 4: Simplify right side
212,273,429,933.80x = 21,922,839,001,313,755,267,072 - Step 5: Solve for x
x = 21,922,839,001,313,755,267,072/212,273,429,933.80 - Step 6: Final answer
x = 103,276,415,744.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.