Home / 247,644,529.20-371,466,793.80-140,149,105.20

Finding the Fourth Proportional to 247,644,529.20, 371,466,793.80 and 140,149,105.20

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Solution

The fourth proportional to 247,644,529.20, 371,466,793.80 and 140,149,105.20 is: 210,223,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,644,529.20 : 371,466,793.80 = 140,149,105.20 : x
  2. Step 2: Convert to fraction form
    247,644,529.20/371,466,793.80 = 140,149,105.20/x
  3. Step 3: Cross multiply
    247,644,529.20x = 371,466,793.80 × 140,149,105.20
  4. Step 4: Simplify right side
    247,644,529.20x = 52,060,738,762,582,904
  5. Step 5: Solve for x
    x = 52,060,738,762,582,904/247,644,529.20
  6. Step 6: Final answer
    x = 210,223,657.80

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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.