Home / 91,520,422.56-126,267,446.16-51,822,542.88

Finding the Fourth Proportional to 91,520,422.56, 126,267,446.16 and 51,822,542.88

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Solution

The fourth proportional to 91,520,422.56, 126,267,446.16 and 51,822,542.88 is: 71,497,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520,422.56 : 126,267,446.16 = 51,822,542.88 : x
  2. Step 2: Convert to fraction form
    91,520,422.56/126,267,446.16 = 51,822,542.88/x
  3. Step 3: Cross multiply
    91,520,422.56x = 126,267,446.16 × 51,822,542.88
  4. Step 4: Simplify right side
    91,520,422.56x = 6,543,500,142,974,691
  5. Step 5: Solve for x
    x = 6,543,500,142,974,691/91,520,422.56
  6. Step 6: Final answer
    x = 71,497,704.66

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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.