Home / 132,858,020.40-199,287,030.60-111,694,858.80

Finding the Fourth Proportional to 132,858,020.40, 199,287,030.60 and 111,694,858.80

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Solution

The fourth proportional to 132,858,020.40, 199,287,030.60 and 111,694,858.80 is: 167,542,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,020.40 : 199,287,030.60 = 111,694,858.80 : x
  2. Step 2: Convert to fraction form
    132,858,020.40/199,287,030.60 = 111,694,858.80/x
  3. Step 3: Cross multiply
    132,858,020.40x = 199,287,030.60 × 111,694,858.80
  4. Step 4: Simplify right side
    132,858,020.40x = 22,259,336,743,538,280
  5. Step 5: Solve for x
    x = 22,259,336,743,538,280/132,858,020.40
  6. Step 6: Final answer
    x = 167,542,288.20

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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.