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Finding the Fourth Proportional to 279,702,994.35, 419,592,781.04 and 95,420,992.92

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Solution

The fourth proportional to 279,702,994.35, 419,592,781.04 and 95,420,992.92 is: 143,144,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,702,994.35 : 419,592,781.04 = 95,420,992.92 : x
  2. Step 2: Convert to fraction form
    279,702,994.35/419,592,781.04 = 95,420,992.92/x
  3. Step 3: Cross multiply
    279,702,994.35x = 419,592,781.04 × 95,420,992.92
  4. Step 4: Simplify right side
    279,702,994.35x = 40,037,959,788,423,848
  5. Step 5: Solve for x
    x = 40,037,959,788,423,848/279,702,994.35
  6. Step 6: Final answer
    x = 143,144,551.89

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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.