Home / 279,318,109.20-418,259,718.45-221,444,184.30

Finding the Fourth Proportional to 279,318,109.20, 418,259,718.45 and 221,444,184.30

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Solution

The fourth proportional to 279,318,109.20, 418,259,718.45 and 221,444,184.30 is: 331,597,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,318,109.20 : 418,259,718.45 = 221,444,184.30 : x
  2. Step 2: Convert to fraction form
    279,318,109.20/418,259,718.45 = 221,444,184.30/x
  3. Step 3: Cross multiply
    279,318,109.20x = 418,259,718.45 × 221,444,184.30
  4. Step 4: Simplify right side
    279,318,109.20x = 92,621,182,177,707,920
  5. Step 5: Solve for x
    x = 92,621,182,177,707,920/279,318,109.20
  6. Step 6: Final answer
    x = 331,597,483.75

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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.