Home / 82,231,090.22-123,345,472.99-19,982,862.11

Finding the Fourth Proportional to 82,231,090.22, 123,345,472.99 and 19,982,862.11

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Solution

The fourth proportional to 82,231,090.22, 123,345,472.99 and 19,982,862.11 is: 29,974,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231,090.22 : 123,345,472.99 = 19,982,862.11 : x
  2. Step 2: Convert to fraction form
    82,231,090.22/123,345,472.99 = 19,982,862.11/x
  3. Step 3: Cross multiply
    82,231,090.22x = 123,345,472.99 × 19,982,862.11
  4. Step 4: Simplify right side
    82,231,090.22x = 2,464,795,578,343,536
  5. Step 5: Solve for x
    x = 2,464,795,578,343,536/82,231,090.22
  6. Step 6: Final answer
    x = 29,974,010.70

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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.