Home / 168,047,999.70-252,071,999.55-40,397,183.70

Finding the Fourth Proportional to 168,047,999.70, 252,071,999.55 and 40,397,183.70

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Solution

The fourth proportional to 168,047,999.70, 252,071,999.55 and 40,397,183.70 is: 60,595,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047,999.70 : 252,071,999.55 = 40,397,183.70 : x
  2. Step 2: Convert to fraction form
    168,047,999.70/252,071,999.55 = 40,397,183.70/x
  3. Step 3: Cross multiply
    168,047,999.70x = 252,071,999.55 × 40,397,183.70
  4. Step 4: Simplify right side
    168,047,999.70x = 10,182,998,871,447,668
  5. Step 5: Solve for x
    x = 10,182,998,871,447,668/168,047,999.70
  6. Step 6: Final answer
    x = 60,595,775.55

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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.