Home / 126,253,176.12-189,434,321.64-67,892,641.89

Finding the Fourth Proportional to 126,253,176.12, 189,434,321.64 and 67,892,641.89

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Solution

The fourth proportional to 126,253,176.12, 189,434,321.64 and 67,892,641.89 is: 101,868,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253,176.12 : 189,434,321.64 = 67,892,641.89 : x
  2. Step 2: Convert to fraction form
    126,253,176.12/189,434,321.64 = 67,892,641.89/x
  3. Step 3: Cross multiply
    126,253,176.12x = 189,434,321.64 × 67,892,641.89
  4. Step 4: Simplify right side
    126,253,176.12x = 12,861,196,560,779,596
  5. Step 5: Solve for x
    x = 12,861,196,560,779,596/126,253,176.12
  6. Step 6: Final answer
    x = 101,868,301.11

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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.