Home / 299,568,004.70-449,352,007.05-84,157,252.70

Finding the Fourth Proportional to 299,568,004.70, 449,352,007.05 and 84,157,252.70

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Solution

The fourth proportional to 299,568,004.70, 449,352,007.05 and 84,157,252.70 is: 126,235,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,568,004.70 : 449,352,007.05 = 84,157,252.70 : x
  2. Step 2: Convert to fraction form
    299,568,004.70/449,352,007.05 = 84,157,252.70/x
  3. Step 3: Cross multiply
    299,568,004.70x = 449,352,007.05 × 84,157,252.70
  4. Step 4: Simplify right side
    299,568,004.70x = 37,816,230,408,559,032
  5. Step 5: Solve for x
    x = 37,816,230,408,559,032/299,568,004.70
  6. Step 6: Final answer
    x = 126,235,879.05

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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.