Home / 217,277,863.20-325,916,794.80-130,971,844.80

Finding the Fourth Proportional to 217,277,863.20, 325,916,794.80 and 130,971,844.80

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Solution

The fourth proportional to 217,277,863.20, 325,916,794.80 and 130,971,844.80 is: 196,457,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277,863.20 : 325,916,794.80 = 130,971,844.80 : x
  2. Step 2: Convert to fraction form
    217,277,863.20/325,916,794.80 = 130,971,844.80/x
  3. Step 3: Cross multiply
    217,277,863.20x = 325,916,794.80 × 130,971,844.80
  4. Step 4: Simplify right side
    217,277,863.20x = 42,685,923,866,259,048
  5. Step 5: Solve for x
    x = 42,685,923,866,259,048/217,277,863.20
  6. Step 6: Final answer
    x = 196,457,767.20

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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.