Home / 221,433,907.80-332,150,861.70-148,874,496.60

Finding the Fourth Proportional to 221,433,907.80, 332,150,861.70 and 148,874,496.60

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Solution

The fourth proportional to 221,433,907.80, 332,150,861.70 and 148,874,496.60 is: 223,311,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,907.80 : 332,150,861.70 = 148,874,496.60 : x
  2. Step 2: Convert to fraction form
    221,433,907.80/332,150,861.70 = 148,874,496.60/x
  3. Step 3: Cross multiply
    221,433,907.80x = 332,150,861.70 × 148,874,496.60
  4. Step 4: Simplify right side
    221,433,907.80x = 49,448,792,330,843,720
  5. Step 5: Solve for x
    x = 49,448,792,330,843,720/221,433,907.80
  6. Step 6: Final answer
    x = 223,311,744.90

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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.