Home / 84,381,217.60-126,584,455.92-30,541,126.72

Finding the Fourth Proportional to 84,381,217.60, 126,584,455.92 and 30,541,126.72

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Solution

The fourth proportional to 84,381,217.60, 126,584,455.92 and 30,541,126.72 is: 45,816,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381,217.60 : 126,584,455.92 = 30,541,126.72 : x
  2. Step 2: Convert to fraction form
    84,381,217.60/126,584,455.92 = 30,541,126.72/x
  3. Step 3: Cross multiply
    84,381,217.60x = 126,584,455.92 × 30,541,126.72
  4. Step 4: Simplify right side
    84,381,217.60x = 3,866,031,909,034,974
  5. Step 5: Solve for x
    x = 3,866,031,909,034,974/84,381,217.60
  6. Step 6: Final answer
    x = 45,816,261.24

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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.