Home / 199,287,025.60-298,930,538.40-131,206,590.40

Finding the Fourth Proportional to 199,287,025.60, 298,930,538.40 and 131,206,590.40

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Solution

The fourth proportional to 199,287,025.60, 298,930,538.40 and 131,206,590.40 is: 196,809,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,287,025.60 : 298,930,538.40 = 131,206,590.40 : x
  2. Step 2: Convert to fraction form
    199,287,025.60/298,930,538.40 = 131,206,590.40/x
  3. Step 3: Cross multiply
    199,287,025.60x = 298,930,538.40 × 131,206,590.40
  4. Step 4: Simplify right side
    199,287,025.60x = 39,221,656,709,900,272
  5. Step 5: Solve for x
    x = 39,221,656,709,900,272/199,287,025.60
  6. Step 6: Final answer
    x = 196,809,885.60

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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.