Home / 87,509,344.20-131,264,016.30-51,677,536.20

Finding the Fourth Proportional to 87,509,344.20, 131,264,016.30 and 51,677,536.20

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Solution

The fourth proportional to 87,509,344.20, 131,264,016.30 and 51,677,536.20 is: 77,516,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,509,344.20 : 131,264,016.30 = 51,677,536.20 : x
  2. Step 2: Convert to fraction form
    87,509,344.20/131,264,016.30 = 51,677,536.20/x
  3. Step 3: Cross multiply
    87,509,344.20x = 131,264,016.30 × 51,677,536.20
  4. Step 4: Simplify right side
    87,509,344.20x = 6,783,400,954,100,640
  5. Step 5: Solve for x
    x = 6,783,400,954,100,640/87,509,344.20
  6. Step 6: Final answer
    x = 77,516,304.30

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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.