Home / 168,436,249.20-252,654,373.80-143,777,386.80

Finding the Fourth Proportional to 168,436,249.20, 252,654,373.80 and 143,777,386.80

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Solution

The fourth proportional to 168,436,249.20, 252,654,373.80 and 143,777,386.80 is: 215,666,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436,249.20 : 252,654,373.80 = 143,777,386.80 : x
  2. Step 2: Convert to fraction form
    168,436,249.20/252,654,373.80 = 143,777,386.80/x
  3. Step 3: Cross multiply
    168,436,249.20x = 252,654,373.80 × 143,777,386.80
  4. Step 4: Simplify right side
    168,436,249.20x = 36,325,985,628,554,392
  5. Step 5: Solve for x
    x = 36,325,985,628,554,392/168,436,249.20
  6. Step 6: Final answer
    x = 215,666,080.20

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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.