Home / 325,400,792.82-487,904,500.71-131,085,258.90

Finding the Fourth Proportional to 325,400,792.82, 487,904,500.71 and 131,085,258.90

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Solution

The fourth proportional to 325,400,792.82, 487,904,500.71 and 131,085,258.90 is: 196,548,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,400,792.82 : 487,904,500.71 = 131,085,258.90 : x
  2. Step 2: Convert to fraction form
    325,400,792.82/487,904,500.71 = 131,085,258.90/x
  3. Step 3: Cross multiply
    325,400,792.82x = 487,904,500.71 × 131,085,258.90
  4. Step 4: Simplify right side
    325,400,792.82x = 63,957,087,794,045,584
  5. Step 5: Solve for x
    x = 63,957,087,794,045,584/325,400,792.82
  6. Step 6: Final answer
    x = 196,548,653.86

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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.