Home / 168,443,908.20-252,665,862.30-112,961,467.80

Finding the Fourth Proportional to 168,443,908.20, 252,665,862.30 and 112,961,467.80

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Solution

The fourth proportional to 168,443,908.20, 252,665,862.30 and 112,961,467.80 is: 169,442,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443,908.20 : 252,665,862.30 = 112,961,467.80 : x
  2. Step 2: Convert to fraction form
    168,443,908.20/252,665,862.30 = 112,961,467.80/x
  3. Step 3: Cross multiply
    168,443,908.20x = 252,665,862.30 × 112,961,467.80
  4. Step 4: Simplify right side
    168,443,908.20x = 28,541,506,668,360,684
  5. Step 5: Solve for x
    x = 28,541,506,668,360,684/168,443,908.20
  6. Step 6: Final answer
    x = 169,442,201.70

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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.