Home / 126,253,182.62-189,434,331.39-67,892,648.39

Finding the Fourth Proportional to 126,253,182.62, 189,434,331.39 and 67,892,648.39

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Solution

The fourth proportional to 126,253,182.62, 189,434,331.39 and 67,892,648.39 is: 101,868,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253,182.62 : 189,434,331.39 = 67,892,648.39 : x
  2. Step 2: Convert to fraction form
    126,253,182.62/189,434,331.39 = 67,892,648.39/x
  3. Step 3: Cross multiply
    126,253,182.62x = 189,434,331.39 × 67,892,648.39
  4. Step 4: Simplify right side
    126,253,182.62x = 12,861,198,454,056,010
  5. Step 5: Solve for x
    x = 12,861,198,454,056,010/126,253,182.62
  6. Step 6: Final answer
    x = 101,868,310.86

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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.