Home / 299,568,007.20-449,352,010.80-84,157,255.20

Finding the Fourth Proportional to 299,568,007.20, 449,352,010.80 and 84,157,255.20

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Solution

The fourth proportional to 299,568,007.20, 449,352,010.80 and 84,157,255.20 is: 126,235,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,568,007.20 : 449,352,010.80 = 84,157,255.20 : x
  2. Step 2: Convert to fraction form
    299,568,007.20/449,352,010.80 = 84,157,255.20/x
  3. Step 3: Cross multiply
    299,568,007.20x = 449,352,010.80 × 84,157,255.20
  4. Step 4: Simplify right side
    299,568,007.20x = 37,816,231,847,528,760
  5. Step 5: Solve for x
    x = 37,816,231,847,528,760/299,568,007.20
  6. Step 6: Final answer
    x = 126,235,882.80

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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.