Home / 72,177,149.20-108,265,723.80-23,656,585.90

Finding the Fourth Proportional to 72,177,149.20, 108,265,723.80 and 23,656,585.90

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Solution

The fourth proportional to 72,177,149.20, 108,265,723.80 and 23,656,585.90 is: 35,484,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,177,149.20 : 108,265,723.80 = 23,656,585.90 : x
  2. Step 2: Convert to fraction form
    72,177,149.20/108,265,723.80 = 23,656,585.90/x
  3. Step 3: Cross multiply
    72,177,149.20x = 108,265,723.80 × 23,656,585.90
  4. Step 4: Simplify right side
    72,177,149.20x = 2,561,197,395,100,374
  5. Step 5: Solve for x
    x = 2,561,197,395,100,374/72,177,149.20
  6. Step 6: Final answer
    x = 35,484,878.85

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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.