Home / 36,244,861.20-54,367,291.80-20,120,547.60

Finding the Fourth Proportional to 36,244,861.20, 54,367,291.80 and 20,120,547.60

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Solution

The fourth proportional to 36,244,861.20, 54,367,291.80 and 20,120,547.60 is: 30,180,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,244,861.20 : 54,367,291.80 = 20,120,547.60 : x
  2. Step 2: Convert to fraction form
    36,244,861.20/54,367,291.80 = 20,120,547.60/x
  3. Step 3: Cross multiply
    36,244,861.20x = 54,367,291.80 × 20,120,547.60
  4. Step 4: Simplify right side
    36,244,861.20x = 1,093,899,682,544,989.75
  5. Step 5: Solve for x
    x = 1,093,899,682,544,989.75/36,244,861.20
  6. Step 6: Final answer
    x = 30,180,821.40

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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.