Home / 221,976,009.40-332,964,014.10-206,859,465.40

Finding the Fourth Proportional to 221,976,009.40, 332,964,014.10 and 206,859,465.40

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Solution

The fourth proportional to 221,976,009.40, 332,964,014.10 and 206,859,465.40 is: 310,289,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976,009.40 : 332,964,014.10 = 206,859,465.40 : x
  2. Step 2: Convert to fraction form
    221,976,009.40/332,964,014.10 = 206,859,465.40/x
  3. Step 3: Cross multiply
    221,976,009.40x = 332,964,014.10 × 206,859,465.40
  4. Step 4: Simplify right side
    221,976,009.40x = 68,876,757,954,164,072
  5. Step 5: Solve for x
    x = 68,876,757,954,164,072/221,976,009.40
  6. Step 6: Final answer
    x = 310,289,198.10

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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.