Home / 36,149,568.40-54,207,245.40-21,008,141.20

Finding the Fourth Proportional to 36,149,568.40, 54,207,245.40 and 21,008,141.20

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Solution

The fourth proportional to 36,149,568.40, 54,207,245.40 and 21,008,141.20 is: 31,502,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149,568.40 : 54,207,245.40 = 21,008,141.20 : x
  2. Step 2: Convert to fraction form
    36,149,568.40/54,207,245.40 = 21,008,141.20/x
  3. Step 3: Cross multiply
    36,149,568.40x = 54,207,245.40 × 21,008,141.20
  4. Step 4: Simplify right side
    36,149,568.40x = 1,138,793,465,426,250.50
  5. Step 5: Solve for x
    x = 1,138,793,465,426,250.50/36,149,568.40
  6. Step 6: Final answer
    x = 31,502,270.04

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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.