Finding the Fourth Proportional to 83,755,542.36, 115,582,828.86 and 47,086,414.68
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Solution
The fourth proportional to 83,755,542.36, 115,582,828.86 and 47,086,414.68 is: 64,979,353.68
Step by Step Solution
- Step 1: Write the proportion equation
83,755,542.36 : 115,582,828.86 = 47,086,414.68 : x - Step 2: Convert to fraction form
83,755,542.36/115,582,828.86 = 47,086,414.68/x - Step 3: Cross multiply
83,755,542.36x = 115,582,828.86 × 47,086,414.68 - Step 4: Simplify right side
83,755,542.36x = 5,442,381,009,589,432 - Step 5: Solve for x
x = 5,442,381,009,589,432/83,755,542.36 - Step 6: Final answer
x = 64,979,353.68
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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.