Home / 247,825,331.20-371,737,996.80-221,040,704.80

Finding the Fourth Proportional to 247,825,331.20, 371,737,996.80 and 221,040,704.80

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Solution

The fourth proportional to 247,825,331.20, 371,737,996.80 and 221,040,704.80 is: 331,561,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,825,331.20 : 371,737,996.80 = 221,040,704.80 : x
  2. Step 2: Convert to fraction form
    247,825,331.20/371,737,996.80 = 221,040,704.80/x
  3. Step 3: Cross multiply
    247,825,331.20x = 371,737,996.80 × 221,040,704.80
  4. Step 4: Simplify right side
    247,825,331.20x = 82,169,228,813,612,144
  5. Step 5: Solve for x
    x = 82,169,228,813,612,144/247,825,331.20
  6. Step 6: Final answer
    x = 331,561,057.20

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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.