Home / 36,245,047.20-54,367,570.80-20,120,733.60

Finding the Fourth Proportional to 36,245,047.20, 54,367,570.80 and 20,120,733.60

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Solution

The fourth proportional to 36,245,047.20, 54,367,570.80 and 20,120,733.60 is: 30,181,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245,047.20 : 54,367,570.80 = 20,120,733.60 : x
  2. Step 2: Convert to fraction form
    36,245,047.20/54,367,570.80 = 20,120,733.60/x
  3. Step 3: Cross multiply
    36,245,047.20x = 54,367,570.80 × 20,120,733.60
  4. Step 4: Simplify right side
    36,245,047.20x = 1,093,915,408,545,938.88
  5. Step 5: Solve for x
    x = 1,093,915,408,545,938.88/36,245,047.20
  6. Step 6: Final answer
    x = 30,181,100.40

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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.