Home / 323,344,997.55-485,010,493.48-90,169,487.85

Finding the Fourth Proportional to 323,344,997.55, 485,010,493.48 and 90,169,487.85

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Solution

The fourth proportional to 323,344,997.55, 485,010,493.48 and 90,169,487.85 is: 135,252,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,344,997.55 : 485,010,493.48 = 90,169,487.85 : x
  2. Step 2: Convert to fraction form
    323,344,997.55/485,010,493.48 = 90,169,487.85/x
  3. Step 3: Cross multiply
    323,344,997.55x = 485,010,493.48 × 90,169,487.85
  4. Step 4: Simplify right side
    323,344,997.55x = 43,733,147,801,027,816
  5. Step 5: Solve for x
    x = 43,733,147,801,027,816/323,344,997.55
  6. Step 6: Final answer
    x = 135,252,278.94

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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.