Home / 231,753,879.20-347,630,818.80-88,128,048.80

Finding the Fourth Proportional to 231,753,879.20, 347,630,818.80 and 88,128,048.80

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Solution

The fourth proportional to 231,753,879.20, 347,630,818.80 and 88,128,048.80 is: 132,192,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,753,879.20 : 347,630,818.80 = 88,128,048.80 : x
  2. Step 2: Convert to fraction form
    231,753,879.20/347,630,818.80 = 88,128,048.80/x
  3. Step 3: Cross multiply
    231,753,879.20x = 347,630,818.80 × 88,128,048.80
  4. Step 4: Simplify right side
    231,753,879.20x = 30,636,025,763,590,356
  5. Step 5: Solve for x
    x = 30,636,025,763,590,356/231,753,879.20
  6. Step 6: Final answer
    x = 132,192,073.20

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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.