Home / 209,102,206.05-313,611,974.73-198,732,414.33

Finding the Fourth Proportional to 209,102,206.05, 313,611,974.73 and 198,732,414.33

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Solution

The fourth proportional to 209,102,206.05, 313,611,974.73 and 198,732,414.33 is: 298,059,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,102,206.05 : 313,611,974.73 = 198,732,414.33 : x
  2. Step 2: Convert to fraction form
    209,102,206.05/313,611,974.73 = 198,732,414.33/x
  3. Step 3: Cross multiply
    209,102,206.05x = 313,611,974.73 × 198,732,414.33
  4. Step 4: Simplify right side
    209,102,206.05x = 62,324,864,900,891,856
  5. Step 5: Solve for x
    x = 62,324,864,900,891,856/209,102,206.05
  6. Step 6: Final answer
    x = 298,059,337.00

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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.