Home / 111,405,986.60-166,790,115.30-98,651,402.60

Finding the Fourth Proportional to 111,405,986.60, 166,790,115.30 and 98,651,402.60

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Solution

The fourth proportional to 111,405,986.60, 166,790,115.30 and 98,651,402.60 is: 147,694,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,405,986.60 : 166,790,115.30 = 98,651,402.60 : x
  2. Step 2: Convert to fraction form
    111,405,986.60/166,790,115.30 = 98,651,402.60/x
  3. Step 3: Cross multiply
    111,405,986.60x = 166,790,115.30 × 98,651,402.60
  4. Step 4: Simplify right side
    111,405,986.60x = 16,454,078,814,160,720
  5. Step 5: Solve for x
    x = 16,454,078,814,160,720/111,405,986.60
  6. Step 6: Final answer
    x = 147,694,745.29

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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.