Home / 274,617,487.35-378,611,517.33-198,171,595.04

Finding the Fourth Proportional to 274,617,487.35, 378,611,517.33 and 198,171,595.04

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Solution

The fourth proportional to 274,617,487.35, 378,611,517.33 and 198,171,595.04 is: 273,216,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,487.35 : 378,611,517.33 = 198,171,595.04 : x
  2. Step 2: Convert to fraction form
    274,617,487.35/378,611,517.33 = 198,171,595.04/x
  3. Step 3: Cross multiply
    274,617,487.35x = 378,611,517.33 × 198,171,595.04
  4. Step 4: Simplify right side
    274,617,487.35x = 75,030,048,287,907,632
  5. Step 5: Solve for x
    x = 75,030,048,287,907,632/274,617,487.35
  6. Step 6: Final answer
    x = 273,216,571.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.