Home / 87,336,002.40-131,004,003.60-73,899,074.40

Finding the Fourth Proportional to 87,336,002.40, 131,004,003.60 and 73,899,074.40

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Solution

The fourth proportional to 87,336,002.40, 131,004,003.60 and 73,899,074.40 is: 110,848,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,002.40 : 131,004,003.60 = 73,899,074.40 : x
  2. Step 2: Convert to fraction form
    87,336,002.40/131,004,003.60 = 73,899,074.40/x
  3. Step 3: Cross multiply
    87,336,002.40x = 131,004,003.60 × 73,899,074.40
  4. Step 4: Simplify right side
    87,336,002.40x = 9,681,074,608,734,268
  5. Step 5: Solve for x
    x = 9,681,074,608,734,268/87,336,002.40
  6. Step 6: Final answer
    x = 110,848,611.60

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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.