Home / 82,231,091.19-123,345,474.44-19,982,863.08

Finding the Fourth Proportional to 82,231,091.19, 123,345,474.44 and 19,982,863.08

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Solution

The fourth proportional to 82,231,091.19, 123,345,474.44 and 19,982,863.08 is: 29,974,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231,091.19 : 123,345,474.44 = 19,982,863.08 : x
  2. Step 2: Convert to fraction form
    82,231,091.19/123,345,474.44 = 19,982,863.08/x
  3. Step 3: Cross multiply
    82,231,091.19x = 123,345,474.44 × 19,982,863.08
  4. Step 4: Simplify right side
    82,231,091.19x = 2,464,795,727,172,245
  5. Step 5: Solve for x
    x = 2,464,795,727,172,245/82,231,091.19
  6. Step 6: Final answer
    x = 29,974,012.16

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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.