Home / 168,242,771.20-252,364,156.80-72,504,659.20

Finding the Fourth Proportional to 168,242,771.20, 252,364,156.80 and 72,504,659.20

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Solution

The fourth proportional to 168,242,771.20, 252,364,156.80 and 72,504,659.20 is: 108,756,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242,771.20 : 252,364,156.80 = 72,504,659.20 : x
  2. Step 2: Convert to fraction form
    168,242,771.20/252,364,156.80 = 72,504,659.20/x
  3. Step 3: Cross multiply
    168,242,771.20x = 252,364,156.80 × 72,504,659.20
  4. Step 4: Simplify right side
    168,242,771.20x = 18,297,577,183,079,364
  5. Step 5: Solve for x
    x = 18,297,577,183,079,364/168,242,771.20
  6. Step 6: Final answer
    x = 108,756,988.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.