Home / 39,155,729.76-54,013,139.28-36,384,613.92

Finding the Fourth Proportional to 39,155,729.76, 54,013,139.28 and 36,384,613.92

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Solution

The fourth proportional to 39,155,729.76, 54,013,139.28 and 36,384,613.92 is: 50,190,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155,729.76 : 54,013,139.28 = 36,384,613.92 : x
  2. Step 2: Convert to fraction form
    39,155,729.76/54,013,139.28 = 36,384,613.92/x
  3. Step 3: Cross multiply
    39,155,729.76x = 54,013,139.28 × 36,384,613.92
  4. Step 4: Simplify right side
    39,155,729.76x = 1,965,247,219,309,987
  5. Step 5: Solve for x
    x = 1,965,247,219,309,987/39,155,729.76
  6. Step 6: Final answer
    x = 50,190,539.96

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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.