Home / 52,156,519.20-78,234,778.80-48,125,440.80

Finding the Fourth Proportional to 52,156,519.20, 78,234,778.80 and 48,125,440.80

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Solution

The fourth proportional to 52,156,519.20, 78,234,778.80 and 48,125,440.80 is: 72,188,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,519.20 : 78,234,778.80 = 48,125,440.80 : x
  2. Step 2: Convert to fraction form
    52,156,519.20/78,234,778.80 = 48,125,440.80/x
  3. Step 3: Cross multiply
    52,156,519.20x = 78,234,778.80 × 48,125,440.80
  4. Step 4: Simplify right side
    52,156,519.20x = 3,765,083,215,640,494.50
  5. Step 5: Solve for x
    x = 3,765,083,215,640,494.50/52,156,519.20
  6. Step 6: Final answer
    x = 72,188,161.20

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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.