Home / 87,634,671.39-131,463,963.90-36,504,732.78

Finding the Fourth Proportional to 87,634,671.39, 131,463,963.90 and 36,504,732.78

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Solution

The fourth proportional to 87,634,671.39, 131,463,963.90 and 36,504,732.78 is: 54,762,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634,671.39 : 131,463,963.90 = 36,504,732.78 : x
  2. Step 2: Convert to fraction form
    87,634,671.39/131,463,963.90 = 36,504,732.78/x
  3. Step 3: Cross multiply
    87,634,671.39x = 131,463,963.90 × 36,504,732.78
  4. Step 4: Simplify right side
    87,634,671.39x = 4,799,056,872,369,067
  5. Step 5: Solve for x
    x = 4,799,056,872,369,067/87,634,671.39
  6. Step 6: Final answer
    x = 54,762,079.85

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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.