Home / 102,135,338.33-140,990,257.32-68,664,229.42

Finding the Fourth Proportional to 102,135,338.33, 140,990,257.32 and 68,664,229.42

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Solution

The fourth proportional to 102,135,338.33, 140,990,257.32 and 68,664,229.42 is: 94,785,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135,338.33 : 140,990,257.32 = 68,664,229.42 : x
  2. Step 2: Convert to fraction form
    102,135,338.33/140,990,257.32 = 68,664,229.42/x
  3. Step 3: Cross multiply
    102,135,338.33x = 140,990,257.32 × 68,664,229.42
  4. Step 4: Simplify right side
    102,135,338.33x = 9,680,987,374,605,314
  5. Step 5: Solve for x
    x = 9,680,987,374,605,314/102,135,338.33
  6. Step 6: Final answer
    x = 94,785,874.63

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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.