Home / 140,480,334.60-210,720,501.90-138,327,998.55

Finding the Fourth Proportional to 140,480,334.60, 210,720,501.90 and 138,327,998.55

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Solution

The fourth proportional to 140,480,334.60, 210,720,501.90 and 138,327,998.55 is: 207,491,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480,334.60 : 210,720,501.90 = 138,327,998.55 : x
  2. Step 2: Convert to fraction form
    140,480,334.60/210,720,501.90 = 138,327,998.55/x
  3. Step 3: Cross multiply
    140,480,334.60x = 210,720,501.90 × 138,327,998.55
  4. Step 4: Simplify right side
    140,480,334.60x = 29,148,545,281,278,476
  5. Step 5: Solve for x
    x = 29,148,545,281,278,476/140,480,334.60
  6. Step 6: Final answer
    x = 207,491,997.83

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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.