Home / 148,231,233.41-204,559,121.51-82,155,997.61

Finding the Fourth Proportional to 148,231,233.41, 204,559,121.51 and 82,155,997.61

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Solution

The fourth proportional to 148,231,233.41, 204,559,121.51 and 82,155,997.61 is: 113,375,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,231,233.41 : 204,559,121.51 = 82,155,997.61 : x
  2. Step 2: Convert to fraction form
    148,231,233.41/204,559,121.51 = 82,155,997.61/x
  3. Step 3: Cross multiply
    148,231,233.41x = 204,559,121.51 × 82,155,997.61
  4. Step 4: Simplify right side
    148,231,233.41x = 16,805,758,697,979,876
  5. Step 5: Solve for x
    x = 16,805,758,697,979,876/148,231,233.41
  6. Step 6: Final answer
    x = 113,375,287.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.