Home / 55,049,200.80-82,571,176.80-18,654,021.60

Finding the Fourth Proportional to 55,049,200.80, 82,571,176.80 and 18,654,021.60

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Solution

The fourth proportional to 55,049,200.80, 82,571,176.80 and 18,654,021.60 is: 27,980,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,200.80 : 82,571,176.80 = 18,654,021.60 : x
  2. Step 2: Convert to fraction form
    55,049,200.80/82,571,176.80 = 18,654,021.60/x
  3. Step 3: Cross multiply
    55,049,200.80x = 82,571,176.80 × 18,654,021.60
  4. Step 4: Simplify right side
    55,049,200.80x = 1,540,284,515,564,619
  5. Step 5: Solve for x
    x = 1,540,284,515,564,619/55,049,200.80
  6. Step 6: Final answer
    x = 27,980,143.09

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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.