Home / 325,923,986.88-489,101,361.66-153,450,124.56

Finding the Fourth Proportional to 325,923,986.88, 489,101,361.66 and 153,450,124.56

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Solution

The fourth proportional to 325,923,986.88, 489,101,361.66 and 153,450,124.56 is: 230,276,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,923,986.88 : 489,101,361.66 = 153,450,124.56 : x
  2. Step 2: Convert to fraction form
    325,923,986.88/489,101,361.66 = 153,450,124.56/x
  3. Step 3: Cross multiply
    325,923,986.88x = 489,101,361.66 × 153,450,124.56
  4. Step 4: Simplify right side
    325,923,986.88x = 75,052,664,869,192,608
  5. Step 5: Solve for x
    x = 75,052,664,869,192,608/325,923,986.88
  6. Step 6: Final answer
    x = 230,276,591.75

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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.