Home / 192,981,553.92-289,515,021.12-63,583,937.28

Finding the Fourth Proportional to 192,981,553.92, 289,515,021.12 and 63,583,937.28

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Solution

The fourth proportional to 192,981,553.92, 289,515,021.12 and 63,583,937.28 is: 95,389,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,981,553.92 : 289,515,021.12 = 63,583,937.28 : x
  2. Step 2: Convert to fraction form
    192,981,553.92/289,515,021.12 = 63,583,937.28/x
  3. Step 3: Cross multiply
    192,981,553.92x = 289,515,021.12 × 63,583,937.28
  4. Step 4: Simplify right side
    192,981,553.92x = 18,408,504,944,511,956
  5. Step 5: Solve for x
    x = 18,408,504,944,511,956/192,981,553.92
  6. Step 6: Final answer
    x = 95,389,971.58

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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.