Home / 168,507,481.60-252,761,222.40-103,600,820.80

Finding the Fourth Proportional to 168,507,481.60, 252,761,222.40 and 103,600,820.80

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Solution

The fourth proportional to 168,507,481.60, 252,761,222.40 and 103,600,820.80 is: 155,401,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507,481.60 : 252,761,222.40 = 103,600,820.80 : x
  2. Step 2: Convert to fraction form
    168,507,481.60/252,761,222.40 = 103,600,820.80/x
  3. Step 3: Cross multiply
    168,507,481.60x = 252,761,222.40 × 103,600,820.80
  4. Step 4: Simplify right side
    168,507,481.60x = 26,186,270,107,051,344
  5. Step 5: Solve for x
    x = 26,186,270,107,051,344/168,507,481.60
  6. Step 6: Final answer
    x = 155,401,231.20

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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.