Home / 102,135,336.83-140,990,255.25-68,664,227.92

Finding the Fourth Proportional to 102,135,336.83, 140,990,255.25 and 68,664,227.92

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Solution

The fourth proportional to 102,135,336.83, 140,990,255.25 and 68,664,227.92 is: 94,785,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135,336.83 : 140,990,255.25 = 68,664,227.92 : x
  2. Step 2: Convert to fraction form
    102,135,336.83/140,990,255.25 = 68,664,227.92/x
  3. Step 3: Cross multiply
    102,135,336.83x = 140,990,255.25 × 68,664,227.92
  4. Step 4: Simplify right side
    102,135,336.83x = 9,680,987,020,984,976
  5. Step 5: Solve for x
    x = 9,680,987,020,984,976/102,135,336.83
  6. Step 6: Final answer
    x = 94,785,872.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.