Home / 168,146,594-252,292,705.79-90,332,707.53

Finding the Fourth Proportional to 168,146,594, 252,292,705.79 and 90,332,707.53

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Solution

The fourth proportional to 168,146,594, 252,292,705.79 and 90,332,707.53 is: 135,538,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,594 : 252,292,705.79 = 90,332,707.53 : x
  2. Step 2: Convert to fraction form
    168,146,594/252,292,705.79 = 90,332,707.53/x
  3. Step 3: Cross multiply
    168,146,594x = 252,292,705.79 × 90,332,707.53
  4. Step 4: Simplify right side
    168,146,594x = 22,790,283,204,080,408
  5. Step 5: Solve for x
    x = 22,790,283,204,080,408/168,146,594
  6. Step 6: Final answer
    x = 135,538,179.29

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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.