Home / 128,627,126.27-192,940,307.66-36,510,942.30

Finding the Fourth Proportional to 128,627,126.27, 192,940,307.66 and 36,510,942.30

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Solution

The fourth proportional to 128,627,126.27, 192,940,307.66 and 36,510,942.30 is: 54,766,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627,126.27 : 192,940,307.66 = 36,510,942.30 : x
  2. Step 2: Convert to fraction form
    128,627,126.27/192,940,307.66 = 36,510,942.30/x
  3. Step 3: Cross multiply
    128,627,126.27x = 192,940,307.66 × 36,510,942.30
  4. Step 4: Simplify right side
    128,627,126.27x = 7,044,432,440,135,953
  5. Step 5: Solve for x
    x = 7,044,432,440,135,953/128,627,126.27
  6. Step 6: Final answer
    x = 54,766,305.09

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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.