Home / 102,540,092.80-153,810,139.20-48,792,380.80

Finding the Fourth Proportional to 102,540,092.80, 153,810,139.20 and 48,792,380.80

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Solution

The fourth proportional to 102,540,092.80, 153,810,139.20 and 48,792,380.80 is: 73,188,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540,092.80 : 153,810,139.20 = 48,792,380.80 : x
  2. Step 2: Convert to fraction form
    102,540,092.80/153,810,139.20 = 48,792,380.80/x
  3. Step 3: Cross multiply
    102,540,092.80x = 153,810,139.20 × 48,792,380.80
  4. Step 4: Simplify right side
    102,540,092.80x = 7,504,762,882,747,406
  5. Step 5: Solve for x
    x = 7,504,762,882,747,406/102,540,092.80
  6. Step 6: Final answer
    x = 73,188,571.20

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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.