Finding the Fourth Proportional to 81,580,414.19, 122,393,043.17 and 24,072,686.51
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Solution
The fourth proportional to 81,580,414.19, 122,393,043.17 and 24,072,686.51 is: 36,115,645.99
Step by Step Solution
- Step 1: Write the proportion equation
81,580,414.19 : 122,393,043.17 = 24,072,686.51 : x - Step 2: Convert to fraction form
81,580,414.19/122,393,043.17 = 24,072,686.51/x - Step 3: Cross multiply
81,580,414.19x = 122,393,043.17 × 24,072,686.51 - Step 4: Simplify right side
81,580,414.19x = 2,946,329,358,503,978 - Step 5: Solve for x
x = 2,946,329,358,503,978/81,580,414.19 - Step 6: Final answer
x = 36,115,645.99
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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.