Home / 231,753,880.20-347,630,820.30-88,128,049.80

Finding the Fourth Proportional to 231,753,880.20, 347,630,820.30 and 88,128,049.80

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Solution

The fourth proportional to 231,753,880.20, 347,630,820.30 and 88,128,049.80 is: 132,192,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,753,880.20 : 347,630,820.30 = 88,128,049.80 : x
  2. Step 2: Convert to fraction form
    231,753,880.20/347,630,820.30 = 88,128,049.80/x
  3. Step 3: Cross multiply
    231,753,880.20x = 347,630,820.30 × 88,128,049.80
  4. Step 4: Simplify right side
    231,753,880.20x = 30,636,026,243,413,252
  5. Step 5: Solve for x
    x = 30,636,026,243,413,252/231,753,880.20
  6. Step 6: Final answer
    x = 132,192,074.70

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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.