Home / 263,612,321.55-395,440,000.59-132,387,109.20

Finding the Fourth Proportional to 263,612,321.55, 395,440,000.59 and 132,387,109.20

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Solution

The fourth proportional to 263,612,321.55, 395,440,000.59 and 132,387,109.20 is: 198,591,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,612,321.55 : 395,440,000.59 = 132,387,109.20 : x
  2. Step 2: Convert to fraction form
    263,612,321.55/395,440,000.59 = 132,387,109.20/x
  3. Step 3: Cross multiply
    263,612,321.55x = 395,440,000.59 × 132,387,109.20
  4. Step 4: Simplify right side
    263,612,321.55x = 52,351,158,540,156,392
  5. Step 5: Solve for x
    x = 52,351,158,540,156,392/263,612,321.55
  6. Step 6: Final answer
    x = 198,591,470.35

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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.