Home / 199,287,029.60-298,930,544.40-131,206,594.40

Finding the Fourth Proportional to 199,287,029.60, 298,930,544.40 and 131,206,594.40

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Solution

The fourth proportional to 199,287,029.60, 298,930,544.40 and 131,206,594.40 is: 196,809,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,287,029.60 : 298,930,544.40 = 131,206,594.40 : x
  2. Step 2: Convert to fraction form
    199,287,029.60/298,930,544.40 = 131,206,594.40/x
  3. Step 3: Cross multiply
    199,287,029.60x = 298,930,544.40 × 131,206,594.40
  4. Step 4: Simplify right side
    199,287,029.60x = 39,221,658,692,861,992
  5. Step 5: Solve for x
    x = 39,221,658,692,861,992/199,287,029.60
  6. Step 6: Final answer
    x = 196,809,891.60

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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.