Home / 87,634,672.39-131,463,965.40-36,504,733.78

Finding the Fourth Proportional to 87,634,672.39, 131,463,965.40 and 36,504,733.78

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Solution

The fourth proportional to 87,634,672.39, 131,463,965.40 and 36,504,733.78 is: 54,762,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634,672.39 : 131,463,965.40 = 36,504,733.78 : x
  2. Step 2: Convert to fraction form
    87,634,672.39/131,463,965.40 = 36,504,733.78/x
  3. Step 3: Cross multiply
    87,634,672.39x = 131,463,965.40 × 36,504,733.78
  4. Step 4: Simplify right side
    87,634,672.39x = 4,799,057,058,590,132
  5. Step 5: Solve for x
    x = 4,799,057,058,590,132/87,634,672.39
  6. Step 6: Final answer
    x = 54,762,081.35

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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.