Home / 81,231,136.20-112,098,314.64-44,061,324.12

Finding the Fourth Proportional to 81,231,136.20, 112,098,314.64 and 44,061,324.12

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Solution

The fourth proportional to 81,231,136.20, 112,098,314.64 and 44,061,324.12 is: 60,804,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,231,136.20 : 112,098,314.64 = 44,061,324.12 : x
  2. Step 2: Convert to fraction form
    81,231,136.20/112,098,314.64 = 44,061,324.12/x
  3. Step 3: Cross multiply
    81,231,136.20x = 112,098,314.64 × 44,061,324.12
  4. Step 4: Simplify right side
    81,231,136.20x = 4,939,200,174,658,781
  5. Step 5: Solve for x
    x = 4,939,200,174,658,781/81,231,136.20
  6. Step 6: Final answer
    x = 60,804,272.91

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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.