Finding the Fourth Proportional to 91,149,456.18, 125,787,090 and 53,981,850.45
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Solution
The fourth proportional to 91,149,456.18, 125,787,090 and 53,981,850.45 is: 74,495,451.38
Step by Step Solution
- Step 1: Write the proportion equation
91,149,456.18 : 125,787,090 = 53,981,850.45 : x - Step 2: Convert to fraction form
91,149,456.18/125,787,090 = 53,981,850.45/x - Step 3: Cross multiply
91,149,456.18x = 125,787,090 × 53,981,850.45 - Step 4: Simplify right side
91,149,456.18x = 6,790,219,880,920,691 - Step 5: Solve for x
x = 6,790,219,880,920,691/91,149,456.18 - Step 6: Final answer
x = 74,495,451.38
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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.