Home / 168,507,489.60-252,761,234.40-103,600,828.80

Finding the Fourth Proportional to 168,507,489.60, 252,761,234.40 and 103,600,828.80

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Solution

The fourth proportional to 168,507,489.60, 252,761,234.40 and 103,600,828.80 is: 155,401,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507,489.60 : 252,761,234.40 = 103,600,828.80 : x
  2. Step 2: Convert to fraction form
    168,507,489.60/252,761,234.40 = 103,600,828.80/x
  3. Step 3: Cross multiply
    168,507,489.60x = 252,761,234.40 × 103,600,828.80
  4. Step 4: Simplify right side
    168,507,489.60x = 26,186,273,372,351,072
  5. Step 5: Solve for x
    x = 26,186,273,372,351,072/168,507,489.60
  6. Step 6: Final answer
    x = 155,401,243.20

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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.