Home / 87,406,020.80-131,004,055.20-36,261,713.60

Finding the Fourth Proportional to 87,406,020.80, 131,004,055.20 and 36,261,713.60

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Solution

The fourth proportional to 87,406,020.80, 131,004,055.20 and 36,261,713.60 is: 54,349,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,020.80 : 131,004,055.20 = 36,261,713.60 : x
  2. Step 2: Convert to fraction form
    87,406,020.80/131,004,055.20 = 36,261,713.60/x
  3. Step 3: Cross multiply
    87,406,020.80x = 131,004,055.20 × 36,261,713.60
  4. Step 4: Simplify right side
    87,406,020.80x = 4,750,431,530,100,991
  5. Step 5: Solve for x
    x = 4,750,431,530,100,991/87,406,020.80
  6. Step 6: Final answer
    x = 54,349,019.51

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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.