Home / 168,309,729.32-252,245,608.62-68,483,033.79

Finding the Fourth Proportional to 168,309,729.32, 252,245,608.62 and 68,483,033.79

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Solution

The fourth proportional to 168,309,729.32, 252,245,608.62 and 68,483,033.79 is: 102,635,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309,729.32 : 252,245,608.62 = 68,483,033.79 : x
  2. Step 2: Convert to fraction form
    168,309,729.32/252,245,608.62 = 68,483,033.79/x
  3. Step 3: Cross multiply
    168,309,729.32x = 252,245,608.62 × 68,483,033.79
  4. Step 4: Simplify right side
    168,309,729.32x = 17,274,544,538,502,578
  5. Step 5: Solve for x
    x = 17,274,544,538,502,578/168,309,729.32
  6. Step 6: Final answer
    x = 102,635,448.40

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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.