Home / 126,853,399.32-175,053,013.02-68,905,403.16

Finding the Fourth Proportional to 126,853,399.32, 175,053,013.02 and 68,905,403.16

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Solution

The fourth proportional to 126,853,399.32, 175,053,013.02 and 68,905,403.16 is: 95,086,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853,399.32 : 175,053,013.02 = 68,905,403.16 : x
  2. Step 2: Convert to fraction form
    126,853,399.32/175,053,013.02 = 68,905,403.16/x
  3. Step 3: Cross multiply
    126,853,399.32x = 175,053,013.02 × 68,905,403.16
  4. Step 4: Simplify right side
    126,853,399.32x = 12,062,098,436,515,830
  5. Step 5: Solve for x
    x = 12,062,098,436,515,830/126,853,399.32
  6. Step 6: Final answer
    x = 95,086,915.30

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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.