Home / 168,498,010.80-252,747,016.20-141,288,231.60

Finding the Fourth Proportional to 168,498,010.80, 252,747,016.20 and 141,288,231.60

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Solution

The fourth proportional to 168,498,010.80, 252,747,016.20 and 141,288,231.60 is: 211,932,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498,010.80 : 252,747,016.20 = 141,288,231.60 : x
  2. Step 2: Convert to fraction form
    168,498,010.80/252,747,016.20 = 141,288,231.60/x
  3. Step 3: Cross multiply
    168,498,010.80x = 252,747,016.20 × 141,288,231.60
  4. Step 4: Simplify right side
    168,498,010.80x = 35,710,178,961,074,548
  5. Step 5: Solve for x
    x = 35,710,178,961,074,548/168,498,010.80
  6. Step 6: Final answer
    x = 211,932,347.40

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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.