Home / 198,993,696.40-298,207,109.40-146,770,760.80

Finding the Fourth Proportional to 198,993,696.40, 298,207,109.40 and 146,770,760.80

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Solution

The fourth proportional to 198,993,696.40, 298,207,109.40 and 146,770,760.80 is: 219,947,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,993,696.40 : 298,207,109.40 = 146,770,760.80 : x
  2. Step 2: Convert to fraction form
    198,993,696.40/298,207,109.40 = 146,770,760.80/x
  3. Step 3: Cross multiply
    198,993,696.40x = 298,207,109.40 × 146,770,760.80
  4. Step 4: Simplify right side
    198,993,696.40x = 43,768,084,322,606,832
  5. Step 5: Solve for x
    x = 43,768,084,322,606,832/198,993,696.40
  6. Step 6: Final answer
    x = 219,947,089.35

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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.