Home / 82,440,961.30-123,665,418.82-27,107,571.18

Finding the Fourth Proportional to 82,440,961.30, 123,665,418.82 and 27,107,571.18

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Solution

The fourth proportional to 82,440,961.30, 123,665,418.82 and 27,107,571.18 is: 40,662,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,440,961.30 : 123,665,418.82 = 27,107,571.18 : x
  2. Step 2: Convert to fraction form
    82,440,961.30/123,665,418.82 = 27,107,571.18/x
  3. Step 3: Cross multiply
    82,440,961.30x = 123,665,418.82 × 27,107,571.18
  4. Step 4: Simplify right side
    82,440,961.30x = 3,352,269,143,476,825
  5. Step 5: Solve for x
    x = 3,352,269,143,476,825/82,440,961.30
  6. Step 6: Final answer
    x = 40,662,664.42

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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.