Home / 191,200,641,087.26-263,880,021,993.42-108,821,429,939.54

Finding the Fourth Proportional to 191,200,641,087.26, 263,880,021,993.42 and 108,821,429,939.54

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Solution

The fourth proportional to 191,200,641,087.26, 263,880,021,993.42 and 108,821,429,939.54 is: 150,186,741,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,641,087.26 : 263,880,021,993.42 = 108,821,429,939.54 : x
  2. Step 2: Convert to fraction form
    191,200,641,087.26/263,880,021,993.42 = 108,821,429,939.54/x
  3. Step 3: Cross multiply
    191,200,641,087.26x = 263,880,021,993.42 × 108,821,429,939.54
  4. Step 4: Simplify right side
    191,200,641,087.26x = 28,715,801,325,801,230,565,376
  5. Step 5: Solve for x
    x = 28,715,801,325,801,230,565,376/191,200,641,087.26
  6. Step 6: Final answer
    x = 150,186,741,856.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.