Finding the Fourth Proportional to 115,924,798.53, 159,976,570.31 and 63,719,183.97
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Solution
The fourth proportional to 115,924,798.53, 159,976,570.31 and 63,719,183.97 is: 87,932,665.35
Step by Step Solution
- Step 1: Write the proportion equation
115,924,798.53 : 159,976,570.31 = 63,719,183.97 : x - Step 2: Convert to fraction form
115,924,798.53/159,976,570.31 = 63,719,183.97/x - Step 3: Cross multiply
115,924,798.53x = 159,976,570.31 × 63,719,183.97 - Step 4: Simplify right side
115,924,798.53x = 10,193,576,514,472,530 - Step 5: Solve for x
x = 10,193,576,514,472,530/115,924,798.53 - Step 6: Final answer
x = 87,932,665.35
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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.