Home / 132,864,069.60-199,296,104.40-120,959,791.20

Finding the Fourth Proportional to 132,864,069.60, 199,296,104.40 and 120,959,791.20

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Solution

The fourth proportional to 132,864,069.60, 199,296,104.40 and 120,959,791.20 is: 181,439,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864,069.60 : 199,296,104.40 = 120,959,791.20 : x
  2. Step 2: Convert to fraction form
    132,864,069.60/199,296,104.40 = 120,959,791.20/x
  3. Step 3: Cross multiply
    132,864,069.60x = 199,296,104.40 × 120,959,791.20
  4. Step 4: Simplify right side
    132,864,069.60x = 24,106,815,175,197,404
  5. Step 5: Solve for x
    x = 24,106,815,175,197,404/132,864,069.60
  6. Step 6: Final answer
    x = 181,439,686.80

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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.