Home / 209,284,610.04-313,715,883.90-131,617,020.89

Finding the Fourth Proportional to 209,284,610.04, 313,715,883.90 and 131,617,020.89

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Solution

The fourth proportional to 209,284,610.04, 313,715,883.90 and 131,617,020.89 is: 197,292,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,284,610.04 : 313,715,883.90 = 131,617,020.89 : x
  2. Step 2: Convert to fraction form
    209,284,610.04/313,715,883.90 = 131,617,020.89/x
  3. Step 3: Cross multiply
    209,284,610.04x = 313,715,883.90 × 131,617,020.89
  4. Step 4: Simplify right side
    209,284,610.04x = 41,290,350,043,222,536
  5. Step 5: Solve for x
    x = 41,290,350,043,222,536/209,284,610.04
  6. Step 6: Final answer
    x = 197,292,815.92

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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.