Home / 132,851,992.80-199,277,989.20-61,188,376.80

Finding the Fourth Proportional to 132,851,992.80, 199,277,989.20 and 61,188,376.80

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Solution

The fourth proportional to 132,851,992.80, 199,277,989.20 and 61,188,376.80 is: 91,782,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851,992.80 : 199,277,989.20 = 61,188,376.80 : x
  2. Step 2: Convert to fraction form
    132,851,992.80/199,277,989.20 = 61,188,376.80/x
  3. Step 3: Cross multiply
    132,851,992.80x = 199,277,989.20 × 61,188,376.80
  4. Step 4: Simplify right side
    132,851,992.80x = 12,193,496,691,115,930
  5. Step 5: Solve for x
    x = 12,193,496,691,115,930/132,851,992.80
  6. Step 6: Final answer
    x = 91,782,565.20

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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.