Home / 128,627,143.50-192,940,333.41-36,510,959.52

Finding the Fourth Proportional to 128,627,143.50, 192,940,333.41 and 36,510,959.52

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Solution

The fourth proportional to 128,627,143.50, 192,940,333.41 and 36,510,959.52 is: 54,766,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627,143.50 : 192,940,333.41 = 36,510,959.52 : x
  2. Step 2: Convert to fraction form
    128,627,143.50/192,940,333.41 = 36,510,959.52/x
  3. Step 3: Cross multiply
    128,627,143.50x = 192,940,333.41 × 36,510,959.52
  4. Step 4: Simplify right side
    128,627,143.50x = 7,044,436,702,839,538
  5. Step 5: Solve for x
    x = 7,044,436,702,839,538/128,627,143.50
  6. Step 6: Final answer
    x = 54,766,330.89

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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.