Home / 168,506,665.20-252,759,997.80-149,374,789.20

Finding the Fourth Proportional to 168,506,665.20, 252,759,997.80 and 149,374,789.20

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Solution

The fourth proportional to 168,506,665.20, 252,759,997.80 and 149,374,789.20 is: 224,062,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,506,665.20 : 252,759,997.80 = 149,374,789.20 : x
  2. Step 2: Convert to fraction form
    168,506,665.20/252,759,997.80 = 149,374,789.20/x
  3. Step 3: Cross multiply
    168,506,665.20x = 252,759,997.80 × 149,374,789.20
  4. Step 4: Simplify right side
    168,506,665.20x = 37,755,971,389,567,464
  5. Step 5: Solve for x
    x = 37,755,971,389,567,464/168,506,665.20
  6. Step 6: Final answer
    x = 224,062,183.80

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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.