Home / 168,443,909.20-252,665,863.80-112,961,468.80

Finding the Fourth Proportional to 168,443,909.20, 252,665,863.80 and 112,961,468.80

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Solution

The fourth proportional to 168,443,909.20, 252,665,863.80 and 112,961,468.80 is: 169,442,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443,909.20 : 252,665,863.80 = 112,961,468.80 : x
  2. Step 2: Convert to fraction form
    168,443,909.20/252,665,863.80 = 112,961,468.80/x
  3. Step 3: Cross multiply
    168,443,909.20x = 252,665,863.80 × 112,961,468.80
  4. Step 4: Simplify right side
    168,443,909.20x = 28,541,507,090,468,752
  5. Step 5: Solve for x
    x = 28,541,507,090,468,752/168,443,909.20
  6. Step 6: Final answer
    x = 169,442,203.20

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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.