Finding the Fourth Proportional to 88,992,046.20, 133,488,069.30 and 87,480,391.80
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Solution
The fourth proportional to 88,992,046.20, 133,488,069.30 and 87,480,391.80 is: 131,220,587.70
Step by Step Solution
- Step 1: Write the proportion equation
88,992,046.20 : 133,488,069.30 = 87,480,391.80 : x - Step 2: Convert to fraction form
88,992,046.20/133,488,069.30 = 87,480,391.80/x - Step 3: Cross multiply
88,992,046.20x = 133,488,069.30 × 87,480,391.80 - Step 4: Simplify right side
88,992,046.20x = 11,677,588,602,989,552 - Step 5: Solve for x
x = 11,677,588,602,989,552/88,992,046.20 - Step 6: Final answer
x = 131,220,587.70
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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.