Home / 66,508,251.57-91,780,520.18-37,140,100.20

Finding the Fourth Proportional to 66,508,251.57, 91,780,520.18 and 37,140,100.20

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Solution

The fourth proportional to 66,508,251.57, 91,780,520.18 and 37,140,100.20 is: 51,252,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,251.57 : 91,780,520.18 = 37,140,100.20 : x
  2. Step 2: Convert to fraction form
    66,508,251.57/91,780,520.18 = 37,140,100.20/x
  3. Step 3: Cross multiply
    66,508,251.57x = 91,780,520.18 × 37,140,100.20
  4. Step 4: Simplify right side
    66,508,251.57x = 3,408,737,715,707,621.50
  5. Step 5: Solve for x
    x = 3,408,737,715,707,621.50/66,508,251.57
  6. Step 6: Final answer
    x = 51,252,854.12

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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.