Home / 168,146,705.40-252,292,872.87-90,332,818.94

Finding the Fourth Proportional to 168,146,705.40, 252,292,872.87 and 90,332,818.94

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Solution

The fourth proportional to 168,146,705.40, 252,292,872.87 and 90,332,818.94 is: 135,538,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,705.40 : 252,292,872.87 = 90,332,818.94 : x
  2. Step 2: Convert to fraction form
    168,146,705.40/252,292,872.87 = 90,332,818.94/x
  3. Step 3: Cross multiply
    168,146,705.40x = 252,292,872.87 × 90,332,818.94
  4. Step 4: Simplify right side
    168,146,705.40x = 22,790,326,403,556,684
  5. Step 5: Solve for x
    x = 22,790,326,403,556,684/168,146,705.40
  6. Step 6: Final answer
    x = 135,538,346.41

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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.