Home / 221,976,006.40-332,964,009.60-211,394,425.60

Finding the Fourth Proportional to 221,976,006.40, 332,964,009.60 and 211,394,425.60

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Solution

The fourth proportional to 221,976,006.40, 332,964,009.60 and 211,394,425.60 is: 317,091,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976,006.40 : 332,964,009.60 = 211,394,425.60 : x
  2. Step 2: Convert to fraction form
    221,976,006.40/332,964,009.60 = 211,394,425.60/x
  3. Step 3: Cross multiply
    221,976,006.40x = 332,964,009.60 × 211,394,425.60
  4. Step 4: Simplify right side
    221,976,006.40x = 70,386,735,554,864,888
  5. Step 5: Solve for x
    x = 70,386,735,554,864,888/221,976,006.40
  6. Step 6: Final answer
    x = 317,091,638.40

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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.