Home / 168,455,974.20-252,872,918.10-130,286,700.60

Finding the Fourth Proportional to 168,455,974.20, 252,872,918.10 and 130,286,700.60

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Solution

The fourth proportional to 168,455,974.20, 252,872,918.10 and 130,286,700.60 is: 195,576,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,455,974.20 : 252,872,918.10 = 130,286,700.60 : x
  2. Step 2: Convert to fraction form
    168,455,974.20/252,872,918.10 = 130,286,700.60/x
  3. Step 3: Cross multiply
    168,455,974.20x = 252,872,918.10 × 130,286,700.60
  4. Step 4: Simplify right side
    168,455,974.20x = 32,945,978,170,343,020
  5. Step 5: Solve for x
    x = 32,945,978,170,343,020/168,455,974.20
  6. Step 6: Final answer
    x = 195,576,193.29

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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.