Home / 213,865,414.80-320,867,209.68-98,925,355.44

Finding the Fourth Proportional to 213,865,414.80, 320,867,209.68 and 98,925,355.44

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Solution

The fourth proportional to 213,865,414.80, 320,867,209.68 and 98,925,355.44 is: 148,419,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,865,414.80 : 320,867,209.68 = 98,925,355.44 : x
  2. Step 2: Convert to fraction form
    213,865,414.80/320,867,209.68 = 98,925,355.44/x
  3. Step 3: Cross multiply
    213,865,414.80x = 320,867,209.68 × 98,925,355.44
  4. Step 4: Simplify right side
    213,865,414.80x = 31,741,902,766,635,008
  5. Step 5: Solve for x
    x = 31,741,902,766,635,008/213,865,414.80
  6. Step 6: Final answer
    x = 148,419,990.19

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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.