Home / 82,456,644.48-123,700,171.68-27,127,593.12

Finding the Fourth Proportional to 82,456,644.48, 123,700,171.68 and 27,127,593.12

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Solution

The fourth proportional to 82,456,644.48, 123,700,171.68 and 27,127,593.12 is: 40,696,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456,644.48 : 123,700,171.68 = 27,127,593.12 : x
  2. Step 2: Convert to fraction form
    82,456,644.48/123,700,171.68 = 27,127,593.12/x
  3. Step 3: Cross multiply
    82,456,644.48x = 123,700,171.68 × 27,127,593.12
  4. Step 4: Simplify right side
    82,456,644.48x = 3,355,687,926,209,187
  5. Step 5: Solve for x
    x = 3,355,687,926,209,187/82,456,644.48
  6. Step 6: Final answer
    x = 40,696,391.99

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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.