Home / 168,798,768.40-252,526,306.20-146,329,238.80

Finding the Fourth Proportional to 168,798,768.40, 252,526,306.20 and 146,329,238.80

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Solution

The fourth proportional to 168,798,768.40, 252,526,306.20 and 146,329,238.80 is: 218,911,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,798,768.40 : 252,526,306.20 = 146,329,238.80 : x
  2. Step 2: Convert to fraction form
    168,798,768.40/252,526,306.20 = 146,329,238.80/x
  3. Step 3: Cross multiply
    168,798,768.40x = 252,526,306.20 × 146,329,238.80
  4. Step 4: Simplify right side
    168,798,768.40x = 36,951,982,163,221,720
  5. Step 5: Solve for x
    x = 36,951,982,163,221,720/168,798,768.40
  6. Step 6: Final answer
    x = 218,911,444.16

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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.