Home / 325,400,680.28-487,904,331.86-131,085,146.62

Finding the Fourth Proportional to 325,400,680.28, 487,904,331.86 and 131,085,146.62

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Solution

The fourth proportional to 325,400,680.28, 487,904,331.86 and 131,085,146.62 is: 196,548,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,400,680.28 : 487,904,331.86 = 131,085,146.62 : x
  2. Step 2: Convert to fraction form
    325,400,680.28/487,904,331.86 = 131,085,146.62/x
  3. Step 3: Cross multiply
    325,400,680.28x = 487,904,331.86 × 131,085,146.62
  4. Step 4: Simplify right side
    325,400,680.28x = 63,957,010,878,401,240
  5. Step 5: Solve for x
    x = 63,957,010,878,401,240/325,400,680.28
  6. Step 6: Final answer
    x = 196,548,485.47

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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.