Home / 52,942,939.92-79,391,839.86-20,147,912.64

Finding the Fourth Proportional to 52,942,939.92, 79,391,839.86 and 20,147,912.64

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Solution

The fourth proportional to 52,942,939.92, 79,391,839.86 and 20,147,912.64 is: 30,213,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,942,939.92 : 79,391,839.86 = 20,147,912.64 : x
  2. Step 2: Convert to fraction form
    52,942,939.92/79,391,839.86 = 20,147,912.64/x
  3. Step 3: Cross multiply
    52,942,939.92x = 79,391,839.86 × 20,147,912.64
  4. Step 4: Simplify right side
    52,942,939.92x = 1,599,579,853,828,149.75
  5. Step 5: Solve for x
    x = 1,599,579,853,828,149.75/52,942,939.92
  6. Step 6: Final answer
    x = 30,213,279.74

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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.