Home / 102,135,337.33-140,990,255.94-68,664,228.42

Finding the Fourth Proportional to 102,135,337.33, 140,990,255.94 and 68,664,228.42

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Solution

The fourth proportional to 102,135,337.33, 140,990,255.94 and 68,664,228.42 is: 94,785,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135,337.33 : 140,990,255.94 = 68,664,228.42 : x
  2. Step 2: Convert to fraction form
    102,135,337.33/140,990,255.94 = 68,664,228.42/x
  3. Step 3: Cross multiply
    102,135,337.33x = 140,990,255.94 × 68,664,228.42
  4. Step 4: Simplify right side
    102,135,337.33x = 9,680,987,138,858,422
  5. Step 5: Solve for x
    x = 9,680,987,138,858,422/102,135,337.33
  6. Step 6: Final answer
    x = 94,785,873.25

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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.