Home / 126,336,149.28-174,345,087.92-74,126,073.12

Finding the Fourth Proportional to 126,336,149.28, 174,345,087.92 and 74,126,073.12

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Solution

The fourth proportional to 126,336,149.28, 174,345,087.92 and 74,126,073.12 is: 102,294,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336,149.28 : 174,345,087.92 = 74,126,073.12 : x
  2. Step 2: Convert to fraction form
    126,336,149.28/174,345,087.92 = 74,126,073.12/x
  3. Step 3: Cross multiply
    126,336,149.28x = 174,345,087.92 × 74,126,073.12
  4. Step 4: Simplify right side
    126,336,149.28x = 12,923,516,735,270,748
  5. Step 5: Solve for x
    x = 12,923,516,735,270,748/126,336,149.28
  6. Step 6: Final answer
    x = 102,294,686.11

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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.