Home / 132,858,979.60-199,288,469.40-111,359,894.80

Finding the Fourth Proportional to 132,858,979.60, 199,288,469.40 and 111,359,894.80

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Solution

The fourth proportional to 132,858,979.60, 199,288,469.40 and 111,359,894.80 is: 167,039,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,979.60 : 199,288,469.40 = 111,359,894.80 : x
  2. Step 2: Convert to fraction form
    132,858,979.60/199,288,469.40 = 111,359,894.80/x
  3. Step 3: Cross multiply
    132,858,979.60x = 199,288,469.40 × 111,359,894.80
  4. Step 4: Simplify right side
    132,858,979.60x = 22,192,742,987,237,020
  5. Step 5: Solve for x
    x = 22,192,742,987,237,020/132,858,979.60
  6. Step 6: Final answer
    x = 167,039,842.20

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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.