Home / 87,081,414.03-120,172,316.04-47,923,190.64

Finding the Fourth Proportional to 87,081,414.03, 120,172,316.04 and 47,923,190.64

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Solution

The fourth proportional to 87,081,414.03, 120,172,316.04 and 47,923,190.64 is: 66,133,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,081,414.03 : 120,172,316.04 = 47,923,190.64 : x
  2. Step 2: Convert to fraction form
    87,081,414.03/120,172,316.04 = 47,923,190.64/x
  3. Step 3: Cross multiply
    87,081,414.03x = 120,172,316.04 × 47,923,190.64
  4. Step 4: Simplify right side
    87,081,414.03x = 5,759,040,811,235,250
  5. Step 5: Solve for x
    x = 5,759,040,811,235,250/87,081,414.03
  6. Step 6: Final answer
    x = 66,133,983.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.