Home / 67,068,002.70-100,602,004.05-54,951,147.90

Finding the Fourth Proportional to 67,068,002.70, 100,602,004.05 and 54,951,147.90

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Solution

The fourth proportional to 67,068,002.70, 100,602,004.05 and 54,951,147.90 is: 82,426,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,002.70 : 100,602,004.05 = 54,951,147.90 : x
  2. Step 2: Convert to fraction form
    67,068,002.70/100,602,004.05 = 54,951,147.90/x
  3. Step 3: Cross multiply
    67,068,002.70x = 100,602,004.05 × 54,951,147.90
  4. Step 4: Simplify right side
    67,068,002.70x = 5,528,195,603,587,949
  5. Step 5: Solve for x
    x = 5,528,195,603,587,949/67,068,002.70
  6. Step 6: Final answer
    x = 82,426,721.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.