Home / 67,227,201.25-100,844,377.68-21,172,671.81

Finding the Fourth Proportional to 67,227,201.25, 100,844,377.68 and 21,172,671.81

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Solution

The fourth proportional to 67,227,201.25, 100,844,377.68 and 21,172,671.81 is: 31,760,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,201.25 : 100,844,377.68 = 21,172,671.81 : x
  2. Step 2: Convert to fraction form
    67,227,201.25/100,844,377.68 = 21,172,671.81/x
  3. Step 3: Cross multiply
    67,227,201.25x = 100,844,377.68 × 21,172,671.81
  4. Step 4: Simplify right side
    67,227,201.25x = 2,135,144,912,581,726.75
  5. Step 5: Solve for x
    x = 2,135,144,912,581,726.75/67,227,201.25
  6. Step 6: Final answer
    x = 31,760,133.89

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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.