Home / 168,146,589.50-252,292,699.04-90,332,703.03

Finding the Fourth Proportional to 168,146,589.50, 252,292,699.04 and 90,332,703.03

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Solution

The fourth proportional to 168,146,589.50, 252,292,699.04 and 90,332,703.03 is: 135,538,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,589.50 : 252,292,699.04 = 90,332,703.03 : x
  2. Step 2: Convert to fraction form
    168,146,589.50/252,292,699.04 = 90,332,703.03/x
  3. Step 3: Cross multiply
    168,146,589.50x = 252,292,699.04 × 90,332,703.03
  4. Step 4: Simplify right side
    168,146,589.50x = 22,790,281,458,565,824
  5. Step 5: Solve for x
    x = 22,790,281,458,565,824/168,146,589.50
  6. Step 6: Final answer
    x = 135,538,172.54

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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.