Home / 84,313,331.40-126,469,997.10-50,301,107.40

Finding the Fourth Proportional to 84,313,331.40, 126,469,997.10 and 50,301,107.40

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Solution

The fourth proportional to 84,313,331.40, 126,469,997.10 and 50,301,107.40 is: 75,451,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313,331.40 : 126,469,997.10 = 50,301,107.40 : x
  2. Step 2: Convert to fraction form
    84,313,331.40/126,469,997.10 = 50,301,107.40/x
  3. Step 3: Cross multiply
    84,313,331.40x = 126,469,997.10 × 50,301,107.40
  4. Step 4: Simplify right side
    84,313,331.40x = 6,361,580,907,004,788
  5. Step 5: Solve for x
    x = 6,361,580,907,004,788/84,313,331.40
  6. Step 6: Final answer
    x = 75,451,661.10

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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.