Home / 318,250,503.46-477,375,887.55-143,169,035.89

Finding the Fourth Proportional to 318,250,503.46, 477,375,887.55 and 143,169,035.89

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Solution

The fourth proportional to 318,250,503.46, 477,375,887.55 and 143,169,035.89 is: 214,753,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,503.46 : 477,375,887.55 = 143,169,035.89 : x
  2. Step 2: Convert to fraction form
    318,250,503.46/477,375,887.55 = 143,169,035.89/x
  3. Step 3: Cross multiply
    318,250,503.46x = 477,375,887.55 × 143,169,035.89
  4. Step 4: Simplify right side
    318,250,503.46x = 68,345,445,576,161,824
  5. Step 5: Solve for x
    x = 68,345,445,576,161,824/318,250,503.46
  6. Step 6: Final answer
    x = 214,753,613.37

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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.