Home / 38,313,045.60-57,469,568.40-20,110,207.20

Finding the Fourth Proportional to 38,313,045.60, 57,469,568.40 and 20,110,207.20

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Solution

The fourth proportional to 38,313,045.60, 57,469,568.40 and 20,110,207.20 is: 30,165,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313,045.60 : 57,469,568.40 = 20,110,207.20 : x
  2. Step 2: Convert to fraction form
    38,313,045.60/57,469,568.40 = 20,110,207.20/x
  3. Step 3: Cross multiply
    38,313,045.60x = 57,469,568.40 × 20,110,207.20
  4. Step 4: Simplify right side
    38,313,045.60x = 1,155,724,928,218,572.50
  5. Step 5: Solve for x
    x = 1,155,724,928,218,572.50/38,313,045.60
  6. Step 6: Final answer
    x = 30,165,310.80

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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.