Home / 36,085,999.80-54,128,999.70-30,107,288.55

Finding the Fourth Proportional to 36,085,999.80, 54,128,999.70 and 30,107,288.55

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Solution

The fourth proportional to 36,085,999.80, 54,128,999.70 and 30,107,288.55 is: 45,160,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085,999.80 : 54,128,999.70 = 30,107,288.55 : x
  2. Step 2: Convert to fraction form
    36,085,999.80/54,128,999.70 = 30,107,288.55/x
  3. Step 3: Cross multiply
    36,085,999.80x = 54,128,999.70 × 30,107,288.55
  4. Step 4: Simplify right side
    36,085,999.80x = 1,629,677,412,890,763.50
  5. Step 5: Solve for x
    x = 1,629,677,412,890,763.50/36,085,999.80
  6. Step 6: Final answer
    x = 45,160,932.83

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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.