Home / 84,231,674.70-126,347,512.05-23,647,400.70

Finding the Fourth Proportional to 84,231,674.70, 126,347,512.05 and 23,647,400.70

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Solution

The fourth proportional to 84,231,674.70, 126,347,512.05 and 23,647,400.70 is: 35,471,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231,674.70 : 126,347,512.05 = 23,647,400.70 : x
  2. Step 2: Convert to fraction form
    84,231,674.70/126,347,512.05 = 23,647,400.70/x
  3. Step 3: Cross multiply
    84,231,674.70x = 126,347,512.05 × 23,647,400.70
  4. Step 4: Simplify right side
    84,231,674.70x = 2,987,790,244,894,428.50
  5. Step 5: Solve for x
    x = 2,987,790,244,894,428.50/84,231,674.70
  6. Step 6: Final answer
    x = 35,471,101.05

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Double scale
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Similar ratio
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1.5x scale

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.