Home / 87,382,447.20-131,105,163.60-36,301,125.60

Finding the Fourth Proportional to 87,382,447.20, 131,105,163.60 and 36,301,125.60

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Solution

The fourth proportional to 87,382,447.20, 131,105,163.60 and 36,301,125.60 is: 54,464,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,382,447.20 : 131,105,163.60 = 36,301,125.60 : x
  2. Step 2: Convert to fraction form
    87,382,447.20/131,105,163.60 = 36,301,125.60/x
  3. Step 3: Cross multiply
    87,382,447.20x = 131,105,163.60 × 36,301,125.60
  4. Step 4: Simplify right side
    87,382,447.20x = 4,759,265,010,652,148
  5. Step 5: Solve for x
    x = 4,759,265,010,652,148/87,382,447.20
  6. Step 6: Final answer
    x = 54,464,771.39

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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.