Home / 111,738,540.80-154,212,610.12-67,684,247.04

Finding the Fourth Proportional to 111,738,540.80, 154,212,610.12 and 67,684,247.04

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Solution

The fourth proportional to 111,738,540.80, 154,212,610.12 and 67,684,247.04 is: 93,412,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738,540.80 : 154,212,610.12 = 67,684,247.04 : x
  2. Step 2: Convert to fraction form
    111,738,540.80/154,212,610.12 = 67,684,247.04/x
  3. Step 3: Cross multiply
    111,738,540.80x = 154,212,610.12 × 67,684,247.04
  4. Step 4: Simplify right side
    111,738,540.80x = 10,437,764,400,045,286
  5. Step 5: Solve for x
    x = 10,437,764,400,045,286/111,738,540.80
  6. Step 6: Final answer
    x = 93,412,392.23

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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.