Finding the Fourth Proportional to 93,910,469.26, 129,577,040.91 and 54,217,312.17
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Solution
The fourth proportional to 93,910,469.26, 129,577,040.91 and 54,217,312.17 is: 74,808,686.75
Step by Step Solution
- Step 1: Write the proportion equation
93,910,469.26 : 129,577,040.91 = 54,217,312.17 : x - Step 2: Convert to fraction form
93,910,469.26/129,577,040.91 = 54,217,312.17/x - Step 3: Cross multiply
93,910,469.26x = 129,577,040.91 × 54,217,312.17 - Step 4: Simplify right side
93,910,469.26x = 7,025,318,877,082,331 - Step 5: Solve for x
x = 7,025,318,877,082,331/93,910,469.26 - Step 6: Final answer
x = 74,808,686.75
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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.