Home / 199,639,937.60-298,956,021.60-131,111,604.80

Finding the Fourth Proportional to 199,639,937.60, 298,956,021.60 and 131,111,604.80

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Solution

The fourth proportional to 199,639,937.60, 298,956,021.60 and 131,111,604.80 is: 196,336,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,639,937.60 : 298,956,021.60 = 131,111,604.80 : x
  2. Step 2: Convert to fraction form
    199,639,937.60/298,956,021.60 = 131,111,604.80/x
  3. Step 3: Cross multiply
    199,639,937.60x = 298,956,021.60 × 131,111,604.80
  4. Step 4: Simplify right side
    199,639,937.60x = 39,196,603,756,599,464
  5. Step 5: Solve for x
    x = 39,196,603,756,599,464/199,639,937.60
  6. Step 6: Final answer
    x = 196,336,485.71

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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.