Home / 681,040,105.75-1,021,560,169.83-163,470,545.56

Finding the Fourth Proportional to 681,040,105.75, 1,021,560,169.83 and 163,470,545.56

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Solution

The fourth proportional to 681,040,105.75, 1,021,560,169.83 and 163,470,545.56 is: 245,205,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,105.75 : 1,021,560,169.83 = 163,470,545.56 : x
  2. Step 2: Convert to fraction form
    681,040,105.75/1,021,560,169.83 = 163,470,545.56/x
  3. Step 3: Cross multiply
    681,040,105.75x = 1,021,560,169.83 × 163,470,545.56
  4. Step 4: Simplify right side
    681,040,105.75x = 166,994,998,284,476,352
  5. Step 5: Solve for x
    x = 166,994,998,284,476,352/681,040,105.75
  6. Step 6: Final answer
    x = 245,205,821.03

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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.