Home / 231,763,947.20-347,645,920.80-88,138,116.80

Finding the Fourth Proportional to 231,763,947.20, 347,645,920.80 and 88,138,116.80

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Solution

The fourth proportional to 231,763,947.20, 347,645,920.80 and 88,138,116.80 is: 132,207,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,763,947.20 : 347,645,920.80 = 88,138,116.80 : x
  2. Step 2: Convert to fraction form
    231,763,947.20/347,645,920.80 = 88,138,116.80/x
  3. Step 3: Cross multiply
    231,763,947.20x = 347,645,920.80 × 88,138,116.80
  4. Step 4: Simplify right side
    231,763,947.20x = 30,640,856,772,513,948
  5. Step 5: Solve for x
    x = 30,640,856,772,513,948/231,763,947.20
  6. Step 6: Final answer
    x = 132,207,175.20

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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.