Home / 271,497,145.20-407,245,717.80-98,979,586.80

Finding the Fourth Proportional to 271,497,145.20, 407,245,717.80 and 98,979,586.80

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Solution

The fourth proportional to 271,497,145.20, 407,245,717.80 and 98,979,586.80 is: 148,469,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,497,145.20 : 407,245,717.80 = 98,979,586.80 : x
  2. Step 2: Convert to fraction form
    271,497,145.20/407,245,717.80 = 98,979,586.80/x
  3. Step 3: Cross multiply
    271,497,145.20x = 407,245,717.80 × 98,979,586.80
  4. Step 4: Simplify right side
    271,497,145.20x = 40,309,012,873,913,408
  5. Step 5: Solve for x
    x = 40,309,012,873,913,408/271,497,145.20
  6. Step 6: Final answer
    x = 148,469,380.20

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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.