Home / 221,976,007.40-332,964,011.10-211,394,426.60

Finding the Fourth Proportional to 221,976,007.40, 332,964,011.10 and 211,394,426.60

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Solution

The fourth proportional to 221,976,007.40, 332,964,011.10 and 211,394,426.60 is: 317,091,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976,007.40 : 332,964,011.10 = 211,394,426.60 : x
  2. Step 2: Convert to fraction form
    221,976,007.40/332,964,011.10 = 211,394,426.60/x
  3. Step 3: Cross multiply
    221,976,007.40x = 332,964,011.10 × 211,394,426.60
  4. Step 4: Simplify right side
    221,976,007.40x = 70,386,736,204,920,536
  5. Step 5: Solve for x
    x = 70,386,736,204,920,536/221,976,007.40
  6. Step 6: Final answer
    x = 317,091,639.90

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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.