Home / 67,930,919.20-101,747,079.60-40,957,530.40

Finding the Fourth Proportional to 67,930,919.20, 101,747,079.60 and 40,957,530.40

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Solution

The fourth proportional to 67,930,919.20, 101,747,079.60 and 40,957,530.40 is: 61,346,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,930,919.20 : 101,747,079.60 = 40,957,530.40 : x
  2. Step 2: Convert to fraction form
    67,930,919.20/101,747,079.60 = 40,957,530.40/x
  3. Step 3: Cross multiply
    67,930,919.20x = 101,747,079.60 × 40,957,530.40
  4. Step 4: Simplify right side
    67,930,919.20x = 4,167,309,105,828,219.50
  5. Step 5: Solve for x
    x = 4,167,309,105,828,219.50/67,930,919.20
  6. Step 6: Final answer
    x = 61,346,278.76

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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.