Finding the Fourth Proportional to 58,752,006.70, 88,128,010.05 and 45,315,078.70
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Solution
The fourth proportional to 58,752,006.70, 88,128,010.05 and 45,315,078.70 is: 67,972,618.05
Step by Step Solution
- Step 1: Write the proportion equation
58,752,006.70 : 88,128,010.05 = 45,315,078.70 : x - Step 2: Convert to fraction form
58,752,006.70/88,128,010.05 = 45,315,078.70/x - Step 3: Cross multiply
58,752,006.70x = 88,128,010.05 × 45,315,078.70 - Step 4: Simplify right side
58,752,006.70x = 3,993,527,711,090,141 - Step 5: Solve for x
x = 3,993,527,711,090,141/58,752,006.70 - Step 6: Final answer
x = 67,972,618.05
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Similar ratio
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1.5x scale
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.