Home / 142,206,280,626.72-213,160,101,961.50-47,846,469,176.22

Finding the Fourth Proportional to 142,206,280,626.72, 213,160,101,961.50 and 47,846,469,176.22

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Solution

The fourth proportional to 142,206,280,626.72, 213,160,101,961.50 and 47,846,469,176.22 is: 71,719,464,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,206,280,626.72 : 213,160,101,961.50 = 47,846,469,176.22 : x
  2. Step 2: Convert to fraction form
    142,206,280,626.72/213,160,101,961.50 = 47,846,469,176.22/x
  3. Step 3: Cross multiply
    142,206,280,626.72x = 213,160,101,961.50 × 47,846,469,176.22
  4. Step 4: Simplify right side
    142,206,280,626.72x = 10,198,958,248,100,821,467,136
  5. Step 5: Solve for x
    x = 10,198,958,248,100,821,467,136/142,206,280,626.72
  6. Step 6: Final answer
    x = 71,719,464,169.60

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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.