Finding the Fourth Proportional to 90,373,722,442.26, 124,711,991,898.13 and 49,174,272,324.62
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Solution
The fourth proportional to 90,373,722,442.26, 124,711,991,898.13 and 49,174,272,324.62 is: 67,858,458,034.22
Step by Step Solution
- Step 1: Write the proportion equation
90,373,722,442.26 : 124,711,991,898.13 = 49,174,272,324.62 : x - Step 2: Convert to fraction form
90,373,722,442.26/124,711,991,898.13 = 49,174,272,324.62/x - Step 3: Cross multiply
90,373,722,442.26x = 124,711,991,898.13 × 49,174,272,324.62 - Step 4: Simplify right side
90,373,722,442.26x = 6,132,621,451,744,323,305,472 - Step 5: Solve for x
x = 6,132,621,451,744,323,305,472/90,373,722,442.26 - Step 6: Final answer
x = 67,858,458,034.22
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1.5x scale
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.