Home / 279,598,424.88-419,397,416.04-75,126,500.40

Finding the Fourth Proportional to 279,598,424.88, 419,397,416.04 and 75,126,500.40

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Solution

The fourth proportional to 279,598,424.88, 419,397,416.04 and 75,126,500.40 is: 112,689,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,598,424.88 : 419,397,416.04 = 75,126,500.40 : x
  2. Step 2: Convert to fraction form
    279,598,424.88/419,397,416.04 = 75,126,500.40/x
  3. Step 3: Cross multiply
    279,598,424.88x = 419,397,416.04 × 75,126,500.40
  4. Step 4: Simplify right side
    279,598,424.88x = 31,507,860,143,888,032
  5. Step 5: Solve for x
    x = 31,507,860,143,888,032/279,598,424.88
  6. Step 6: Final answer
    x = 112,689,691.14

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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.