Home / 102,135,336.96-140,990,255.43-68,664,228.04

Finding the Fourth Proportional to 102,135,336.96, 140,990,255.43 and 68,664,228.04

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Solution

The fourth proportional to 102,135,336.96, 140,990,255.43 and 68,664,228.04 is: 94,785,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135,336.96 : 140,990,255.43 = 68,664,228.04 : x
  2. Step 2: Convert to fraction form
    102,135,336.96/140,990,255.43 = 68,664,228.04/x
  3. Step 3: Cross multiply
    102,135,336.96x = 140,990,255.43 × 68,664,228.04
  4. Step 4: Simplify right side
    102,135,336.96x = 9,680,987,050,444,184
  5. Step 5: Solve for x
    x = 9,680,987,050,444,184/102,135,336.96
  6. Step 6: Final answer
    x = 94,785,872.73

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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.