Home / 168,243,098.20-252,364,647.30-72,504,986.20

Finding the Fourth Proportional to 168,243,098.20, 252,364,647.30 and 72,504,986.20

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Solution

The fourth proportional to 168,243,098.20, 252,364,647.30 and 72,504,986.20 is: 108,757,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243,098.20 : 252,364,647.30 = 72,504,986.20 : x
  2. Step 2: Convert to fraction form
    168,243,098.20/252,364,647.30 = 72,504,986.20/x
  3. Step 3: Cross multiply
    168,243,098.20x = 252,364,647.30 × 72,504,986.20
  4. Step 4: Simplify right side
    168,243,098.20x = 18,297,695,269,854,368
  5. Step 5: Solve for x
    x = 18,297,695,269,854,368/168,243,098.20
  6. Step 6: Final answer
    x = 108,757,479.30

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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.