Home / 87,928,379.20-131,831,128.80-52,008,097.60

Finding the Fourth Proportional to 87,928,379.20, 131,831,128.80 and 52,008,097.60

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Solution

The fourth proportional to 87,928,379.20, 131,831,128.80 and 52,008,097.60 is: 77,975,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928,379.20 : 131,831,128.80 = 52,008,097.60 : x
  2. Step 2: Convert to fraction form
    87,928,379.20/131,831,128.80 = 52,008,097.60/x
  3. Step 3: Cross multiply
    87,928,379.20x = 131,831,128.80 × 52,008,097.60
  4. Step 4: Simplify right side
    87,928,379.20x = 6,856,286,213,348,571
  5. Step 5: Solve for x
    x = 6,856,286,213,348,571/87,928,379.20
  6. Step 6: Final answer
    x = 77,975,805.72

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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.