Home / 221,558,439.27-332,040,591.36-172,433,612.10

Finding the Fourth Proportional to 221,558,439.27, 332,040,591.36 and 172,433,612.10

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Solution

The fourth proportional to 221,558,439.27, 332,040,591.36 and 172,433,612.10 is: 258,419,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,558,439.27 : 332,040,591.36 = 172,433,612.10 : x
  2. Step 2: Convert to fraction form
    221,558,439.27/332,040,591.36 = 172,433,612.10/x
  3. Step 3: Cross multiply
    221,558,439.27x = 332,040,591.36 × 172,433,612.10
  4. Step 4: Simplify right side
    221,558,439.27x = 57,254,958,532,024,848
  5. Step 5: Solve for x
    x = 57,254,958,532,024,848/221,558,439.27
  6. Step 6: Final answer
    x = 258,419,217.61

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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.