Home / 72,585,493.20-108,879,125.40-21,468,545.10

Finding the Fourth Proportional to 72,585,493.20, 108,879,125.40 and 21,468,545.10

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Solution

The fourth proportional to 72,585,493.20, 108,879,125.40 and 21,468,545.10 is: 32,203,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,585,493.20 : 108,879,125.40 = 21,468,545.10 : x
  2. Step 2: Convert to fraction form
    72,585,493.20/108,879,125.40 = 21,468,545.10/x
  3. Step 3: Cross multiply
    72,585,493.20x = 108,879,125.40 × 21,468,545.10
  4. Step 4: Simplify right side
    72,585,493.20x = 2,337,476,414,098,456
  5. Step 5: Solve for x
    x = 2,337,476,414,098,456/72,585,493.20
  6. Step 6: Final answer
    x = 32,203,079.58

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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.