Home / 168,436,231.20-252,654,346.80-143,777,368.80

Finding the Fourth Proportional to 168,436,231.20, 252,654,346.80 and 143,777,368.80

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Solution

The fourth proportional to 168,436,231.20, 252,654,346.80 and 143,777,368.80 is: 215,666,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436,231.20 : 252,654,346.80 = 143,777,368.80 : x
  2. Step 2: Convert to fraction form
    168,436,231.20/252,654,346.80 = 143,777,368.80/x
  3. Step 3: Cross multiply
    168,436,231.20x = 252,654,346.80 × 143,777,368.80
  4. Step 4: Simplify right side
    168,436,231.20x = 36,325,977,198,786,704
  5. Step 5: Solve for x
    x = 36,325,977,198,786,704/168,436,231.20
  6. Step 6: Final answer
    x = 215,666,053.20

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1.5x scale

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.