Home / 146,638,922.40-220,100,101.20-73,937,793.60

Finding the Fourth Proportional to 146,638,922.40, 220,100,101.20 and 73,937,793.60

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Solution

The fourth proportional to 146,638,922.40, 220,100,101.20 and 73,937,793.60 is: 110,978,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,638,922.40 : 220,100,101.20 = 73,937,793.60 : x
  2. Step 2: Convert to fraction form
    146,638,922.40/220,100,101.20 = 73,937,793.60/x
  3. Step 3: Cross multiply
    146,638,922.40x = 220,100,101.20 × 73,937,793.60
  4. Step 4: Simplify right side
    146,638,922.40x = 16,273,715,853,864,710
  5. Step 5: Solve for x
    x = 16,273,715,853,864,710/146,638,922.40
  6. Step 6: Final answer
    x = 110,978,146.78

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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.