Home / 231,753,863.20-347,630,794.80-88,128,032.80

Finding the Fourth Proportional to 231,753,863.20, 347,630,794.80 and 88,128,032.80

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Solution

The fourth proportional to 231,753,863.20, 347,630,794.80 and 88,128,032.80 is: 132,192,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,753,863.20 : 347,630,794.80 = 88,128,032.80 : x
  2. Step 2: Convert to fraction form
    231,753,863.20/347,630,794.80 = 88,128,032.80/x
  3. Step 3: Cross multiply
    231,753,863.20x = 347,630,794.80 × 88,128,032.80
  4. Step 4: Simplify right side
    231,753,863.20x = 30,636,018,086,424,468
  5. Step 5: Solve for x
    x = 30,636,018,086,424,468/231,753,863.20
  6. Step 6: Final answer
    x = 132,192,049.20

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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.