Home / 247,825,334.20-371,738,001.30-221,040,707.80

Finding the Fourth Proportional to 247,825,334.20, 371,738,001.30 and 221,040,707.80

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Solution

The fourth proportional to 247,825,334.20, 371,738,001.30 and 221,040,707.80 is: 331,561,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,825,334.20 : 371,738,001.30 = 221,040,707.80 : x
  2. Step 2: Convert to fraction form
    247,825,334.20/371,738,001.30 = 221,040,707.80/x
  3. Step 3: Cross multiply
    247,825,334.20x = 371,738,001.30 × 221,040,707.80
  4. Step 4: Simplify right side
    247,825,334.20x = 82,169,230,923,509,328
  5. Step 5: Solve for x
    x = 82,169,230,923,509,328/247,825,334.20
  6. Step 6: Final answer
    x = 331,561,061.70

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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.