Home / 298,540,641.80-448,010,028.30-169,148,001.80

Finding the Fourth Proportional to 298,540,641.80, 448,010,028.30 and 169,148,001.80

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Solution

The fourth proportional to 298,540,641.80, 448,010,028.30 and 169,148,001.80 is: 253,834,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,540,641.80 : 448,010,028.30 = 169,148,001.80 : x
  2. Step 2: Convert to fraction form
    298,540,641.80/448,010,028.30 = 169,148,001.80/x
  3. Step 3: Cross multiply
    298,540,641.80x = 448,010,028.30 × 169,148,001.80
  4. Step 4: Simplify right side
    298,540,641.80x = 75,780,001,073,306,464
  5. Step 5: Solve for x
    x = 75,780,001,073,306,464/298,540,641.80
  6. Step 6: Final answer
    x = 253,834,789.85

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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.