Home / 132,067,393.60-198,101,090.40-83,694,452.80

Finding the Fourth Proportional to 132,067,393.60, 198,101,090.40 and 83,694,452.80

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Solution

The fourth proportional to 132,067,393.60, 198,101,090.40 and 83,694,452.80 is: 125,541,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,067,393.60 : 198,101,090.40 = 83,694,452.80 : x
  2. Step 2: Convert to fraction form
    132,067,393.60/198,101,090.40 = 83,694,452.80/x
  3. Step 3: Cross multiply
    132,067,393.60x = 198,101,090.40 × 83,694,452.80
  4. Step 4: Simplify right side
    132,067,393.60x = 16,579,962,360,111,334
  5. Step 5: Solve for x
    x = 16,579,962,360,111,334/132,067,393.60
  6. Step 6: Final answer
    x = 125,541,679.20

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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.