Home / 168,057,902.40-252,086,853.60-139,360,088.40

Finding the Fourth Proportional to 168,057,902.40, 252,086,853.60 and 139,360,088.40

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Solution

The fourth proportional to 168,057,902.40, 252,086,853.60 and 139,360,088.40 is: 209,040,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057,902.40 : 252,086,853.60 = 139,360,088.40 : x
  2. Step 2: Convert to fraction form
    168,057,902.40/252,086,853.60 = 139,360,088.40/x
  3. Step 3: Cross multiply
    168,057,902.40x = 252,086,853.60 × 139,360,088.40
  4. Step 4: Simplify right side
    168,057,902.40x = 35,130,846,202,173,860
  5. Step 5: Solve for x
    x = 35,130,846,202,173,860/168,057,902.40
  6. Step 6: Final answer
    x = 209,040,132.60

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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.