Home / 299,568,007.70-449,352,011.55-84,157,255.70

Finding the Fourth Proportional to 299,568,007.70, 449,352,011.55 and 84,157,255.70

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Solution

The fourth proportional to 299,568,007.70, 449,352,011.55 and 84,157,255.70 is: 126,235,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,568,007.70 : 449,352,011.55 = 84,157,255.70 : x
  2. Step 2: Convert to fraction form
    299,568,007.70/449,352,011.55 = 84,157,255.70/x
  3. Step 3: Cross multiply
    299,568,007.70x = 449,352,011.55 × 84,157,255.70
  4. Step 4: Simplify right side
    299,568,007.70x = 37,816,232,135,322,704
  5. Step 5: Solve for x
    x = 37,816,232,135,322,704/299,568,007.70
  6. Step 6: Final answer
    x = 126,235,883.55

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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.