Home / 132,084,640.20-198,150,579.90-55,415,418.60

Finding the Fourth Proportional to 132,084,640.20, 198,150,579.90 and 55,415,418.60

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Solution

The fourth proportional to 132,084,640.20, 198,150,579.90 and 55,415,418.60 is: 83,133,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,084,640.20 : 198,150,579.90 = 55,415,418.60 : x
  2. Step 2: Convert to fraction form
    132,084,640.20/198,150,579.90 = 55,415,418.60/x
  3. Step 3: Cross multiply
    132,084,640.20x = 198,150,579.90 × 55,415,418.60
  4. Step 4: Simplify right side
    132,084,640.20x = 10,980,597,330,991,246
  5. Step 5: Solve for x
    x = 10,980,597,330,991,246/132,084,640.20
  6. Step 6: Final answer
    x = 83,133,037.38

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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.