Home / 279,155,002.68-418,777,952.76-82,438,313.76

Finding the Fourth Proportional to 279,155,002.68, 418,777,952.76 and 82,438,313.76

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Solution

The fourth proportional to 279,155,002.68, 418,777,952.76 and 82,438,313.76 is: 123,670,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,155,002.68 : 418,777,952.76 = 82,438,313.76 : x
  2. Step 2: Convert to fraction form
    279,155,002.68/418,777,952.76 = 82,438,313.76/x
  3. Step 3: Cross multiply
    279,155,002.68x = 418,777,952.76 × 82,438,313.76
  4. Step 4: Simplify right side
    279,155,002.68x = 34,523,348,265,399,340
  5. Step 5: Solve for x
    x = 34,523,348,265,399,340/279,155,002.68
  6. Step 6: Final answer
    x = 123,670,892.28

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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.