Home / 67,930,957.20-101,747,136.60-40,957,568.40

Finding the Fourth Proportional to 67,930,957.20, 101,747,136.60 and 40,957,568.40

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Solution

The fourth proportional to 67,930,957.20, 101,747,136.60 and 40,957,568.40 is: 61,346,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,930,957.20 : 101,747,136.60 = 40,957,568.40 : x
  2. Step 2: Convert to fraction form
    67,930,957.20/101,747,136.60 = 40,957,568.40/x
  3. Step 3: Cross multiply
    67,930,957.20x = 101,747,136.60 × 40,957,568.40
  4. Step 4: Simplify right side
    67,930,957.20x = 4,167,315,306,798,643
  5. Step 5: Solve for x
    x = 4,167,315,306,798,643/67,930,957.20
  6. Step 6: Final answer
    x = 61,346,335.73

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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.