Home / 112,270,067.60-168,405,101.40-54,799,206.80

Finding the Fourth Proportional to 112,270,067.60, 168,405,101.40 and 54,799,206.80

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Solution

The fourth proportional to 112,270,067.60, 168,405,101.40 and 54,799,206.80 is: 82,198,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270,067.60 : 168,405,101.40 = 54,799,206.80 : x
  2. Step 2: Convert to fraction form
    112,270,067.60/168,405,101.40 = 54,799,206.80/x
  3. Step 3: Cross multiply
    112,270,067.60x = 168,405,101.40 × 54,799,206.80
  4. Step 4: Simplify right side
    112,270,067.60x = 9,228,465,977,793,570
  5. Step 5: Solve for x
    x = 9,228,465,977,793,570/112,270,067.60
  6. Step 6: Final answer
    x = 82,198,810.20

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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.