Home / 328,883,982.56-493,388,193.28-132,162,709.44

Finding the Fourth Proportional to 328,883,982.56, 493,388,193.28 and 132,162,709.44

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Solution

The fourth proportional to 328,883,982.56, 493,388,193.28 and 132,162,709.44 is: 198,269,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,883,982.56 : 493,388,193.28 = 132,162,709.44 : x
  2. Step 2: Convert to fraction form
    328,883,982.56/493,388,193.28 = 132,162,709.44/x
  3. Step 3: Cross multiply
    328,883,982.56x = 493,388,193.28 × 132,162,709.44
  4. Step 4: Simplify right side
    328,883,982.56x = 65,207,520,429,591,192
  5. Step 5: Solve for x
    x = 65,207,520,429,591,192/328,883,982.56
  6. Step 6: Final answer
    x = 198,269,067.17

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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.