Home / 168,435,704.20-252,653,556.30-143,776,841.80

Finding the Fourth Proportional to 168,435,704.20, 252,653,556.30 and 143,776,841.80

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Solution

The fourth proportional to 168,435,704.20, 252,653,556.30 and 143,776,841.80 is: 215,665,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,704.20 : 252,653,556.30 = 143,776,841.80 : x
  2. Step 2: Convert to fraction form
    168,435,704.20/252,653,556.30 = 143,776,841.80/x
  3. Step 3: Cross multiply
    168,435,704.20x = 252,653,556.30 × 143,776,841.80
  4. Step 4: Simplify right side
    168,435,704.20x = 36,325,730,394,352,496
  5. Step 5: Solve for x
    x = 36,325,730,394,352,496/168,435,704.20
  6. Step 6: Final answer
    x = 215,665,262.70

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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.