Finding the Fourth Proportional to 115,442,831.97, 159,309,139.05 and 62,519,109.75
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Solution
The fourth proportional to 115,442,831.97, 159,309,139.05 and 62,519,109.75 is: 86,275,305.09
Step by Step Solution
- Step 1: Write the proportion equation
115,442,831.97 : 159,309,139.05 = 62,519,109.75 : x - Step 2: Convert to fraction form
115,442,831.97/159,309,139.05 = 62,519,109.75/x - Step 3: Cross multiply
115,442,831.97x = 159,309,139.05 × 62,519,109.75 - Step 4: Simplify right side
115,442,831.97x = 9,959,865,548,444,962 - Step 5: Solve for x
x = 9,959,865,548,444,962/115,442,831.97 - Step 6: Final answer
x = 86,275,305.09
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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.