Home / 55,523,205.54-76,621,231.53-30,741,015.78

Finding the Fourth Proportional to 55,523,205.54, 76,621,231.53 and 30,741,015.78

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Solution

The fourth proportional to 55,523,205.54, 76,621,231.53 and 30,741,015.78 is: 42,422,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,523,205.54 : 76,621,231.53 = 30,741,015.78 : x
  2. Step 2: Convert to fraction form
    55,523,205.54/76,621,231.53 = 30,741,015.78/x
  3. Step 3: Cross multiply
    55,523,205.54x = 76,621,231.53 × 30,741,015.78
  4. Step 4: Simplify right side
    55,523,205.54x = 2,355,414,487,546,763.50
  5. Step 5: Solve for x
    x = 2,355,414,487,546,763.50/55,523,205.54
  6. Step 6: Final answer
    x = 42,422,163.21

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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.