Home / 104,662,456.92-156,981,321.54-27,991,427.40

Finding the Fourth Proportional to 104,662,456.92, 156,981,321.54 and 27,991,427.40

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Solution

The fourth proportional to 104,662,456.92, 156,981,321.54 and 27,991,427.40 is: 41,983,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662,456.92 : 156,981,321.54 = 27,991,427.40 : x
  2. Step 2: Convert to fraction form
    104,662,456.92/156,981,321.54 = 27,991,427.40/x
  3. Step 3: Cross multiply
    104,662,456.92x = 156,981,321.54 × 27,991,427.40
  4. Step 4: Simplify right side
    104,662,456.92x = 4,394,131,265,042,965.50
  5. Step 5: Solve for x
    x = 4,394,131,265,042,965.50/104,662,456.92
  6. Step 6: Final answer
    x = 41,983,834.46

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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.