Home / 128,627,127.27-192,940,309.15-36,510,943.30

Finding the Fourth Proportional to 128,627,127.27, 192,940,309.15 and 36,510,943.30

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Solution

The fourth proportional to 128,627,127.27, 192,940,309.15 and 36,510,943.30 is: 54,766,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627,127.27 : 192,940,309.15 = 36,510,943.30 : x
  2. Step 2: Convert to fraction form
    128,627,127.27/192,940,309.15 = 36,510,943.30/x
  3. Step 3: Cross multiply
    128,627,127.27x = 192,940,309.15 × 36,510,943.30
  4. Step 4: Simplify right side
    128,627,127.27x = 7,044,432,687,660,121
  5. Step 5: Solve for x
    x = 7,044,432,687,660,121/128,627,127.27
  6. Step 6: Final answer
    x = 54,766,306.59

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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.