Home / 87,367,015.40-131,050,523.10-53,354,791.40

Finding the Fourth Proportional to 87,367,015.40, 131,050,523.10 and 53,354,791.40

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Solution

The fourth proportional to 87,367,015.40, 131,050,523.10 and 53,354,791.40 is: 80,032,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367,015.40 : 131,050,523.10 = 53,354,791.40 : x
  2. Step 2: Convert to fraction form
    87,367,015.40/131,050,523.10 = 53,354,791.40/x
  3. Step 3: Cross multiply
    87,367,015.40x = 131,050,523.10 × 53,354,791.40
  4. Step 4: Simplify right side
    87,367,015.40x = 6,992,173,322,861,381
  5. Step 5: Solve for x
    x = 6,992,173,322,861,381/87,367,015.40
  6. Step 6: Final answer
    x = 80,032,187.10

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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.