Home / 128,304,092.20-192,456,138.30-119,234,165.80

Finding the Fourth Proportional to 128,304,092.20, 192,456,138.30 and 119,234,165.80

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Solution

The fourth proportional to 128,304,092.20, 192,456,138.30 and 119,234,165.80 is: 178,851,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,092.20 : 192,456,138.30 = 119,234,165.80 : x
  2. Step 2: Convert to fraction form
    128,304,092.20/192,456,138.30 = 119,234,165.80/x
  3. Step 3: Cross multiply
    128,304,092.20x = 192,456,138.30 × 119,234,165.80
  4. Step 4: Simplify right side
    128,304,092.20x = 22,947,347,103,289,932
  5. Step 5: Solve for x
    x = 22,947,347,103,289,932/128,304,092.20
  6. Step 6: Final answer
    x = 178,851,248.70

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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.