Home / 132,192,002.80-198,288,004.20-131,296,207.60

Finding the Fourth Proportional to 132,192,002.80, 198,288,004.20 and 131,296,207.60

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Solution

The fourth proportional to 132,192,002.80, 198,288,004.20 and 131,296,207.60 is: 196,944,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,002.80 : 198,288,004.20 = 131,296,207.60 : x
  2. Step 2: Convert to fraction form
    132,192,002.80/198,288,004.20 = 131,296,207.60/x
  3. Step 3: Cross multiply
    132,192,002.80x = 198,288,004.20 × 131,296,207.60
  4. Step 4: Simplify right side
    132,192,002.80x = 26,034,462,964,032,868
  5. Step 5: Solve for x
    x = 26,034,462,964,032,868/132,192,002.80
  6. Step 6: Final answer
    x = 196,944,311.40

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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.