Home / 279,702,992.85-419,592,778.79-95,420,991.42

Finding the Fourth Proportional to 279,702,992.85, 419,592,778.79 and 95,420,991.42

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Solution

The fourth proportional to 279,702,992.85, 419,592,778.79 and 95,420,991.42 is: 143,144,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,702,992.85 : 419,592,778.79 = 95,420,991.42 : x
  2. Step 2: Convert to fraction form
    279,702,992.85/419,592,778.79 = 95,420,991.42/x
  3. Step 3: Cross multiply
    279,702,992.85x = 419,592,778.79 × 95,420,991.42
  4. Step 4: Simplify right side
    279,702,992.85x = 40,037,958,944,337,448
  5. Step 5: Solve for x
    x = 40,037,958,944,337,448/279,702,992.85
  6. Step 6: Final answer
    x = 143,144,549.64

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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.