Finding the Fourth Proportional to 91,539,163.08, 126,203,839.97 and 66,057,198.97
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Solution
The fourth proportional to 91,539,163.08, 126,203,839.97 and 66,057,198.97 is: 91,072,191.27
Step by Step Solution
- Step 1: Write the proportion equation
91,539,163.08 : 126,203,839.97 = 66,057,198.97 : x - Step 2: Convert to fraction form
91,539,163.08/126,203,839.97 = 66,057,198.97/x - Step 3: Cross multiply
91,539,163.08x = 126,203,839.97 × 66,057,198.97 - Step 4: Simplify right side
91,539,163.08x = 8,336,672,167,841,471 - Step 5: Solve for x
x = 8,336,672,167,841,471/91,539,163.08 - Step 6: Final answer
x = 91,072,191.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.