Home / 199,633,447.60-298,946,286.60-131,105,114.80

Finding the Fourth Proportional to 199,633,447.60, 298,946,286.60 and 131,105,114.80

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Solution

The fourth proportional to 199,633,447.60, 298,946,286.60 and 131,105,114.80 is: 196,326,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,633,447.60 : 298,946,286.60 = 131,105,114.80 : x
  2. Step 2: Convert to fraction form
    199,633,447.60/298,946,286.60 = 131,105,114.80/x
  3. Step 3: Cross multiply
    199,633,447.60x = 298,946,286.60 × 131,105,114.80
  4. Step 4: Simplify right side
    199,633,447.60x = 39,193,387,223,726,704
  5. Step 5: Solve for x
    x = 39,193,387,223,726,704/199,633,447.60
  6. Step 6: Final answer
    x = 196,326,756.34

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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.