Home / 378,094,937.60-567,142,406.40-147,987,545.60

Finding the Fourth Proportional to 378,094,937.60, 567,142,406.40 and 147,987,545.60

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Solution

The fourth proportional to 378,094,937.60, 567,142,406.40 and 147,987,545.60 is: 221,981,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,094,937.60 : 567,142,406.40 = 147,987,545.60 : x
  2. Step 2: Convert to fraction form
    378,094,937.60/567,142,406.40 = 147,987,545.60/x
  3. Step 3: Cross multiply
    378,094,937.60x = 567,142,406.40 × 147,987,545.60
  4. Step 4: Simplify right side
    378,094,937.60x = 83,930,012,728,813,728
  5. Step 5: Solve for x
    x = 83,930,012,728,813,728/378,094,937.60
  6. Step 6: Final answer
    x = 221,981,318.40

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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.