Home / 55,146,512.40-82,720,218.60-18,763,171.44

Finding the Fourth Proportional to 55,146,512.40, 82,720,218.60 and 18,763,171.44

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Solution

The fourth proportional to 55,146,512.40, 82,720,218.60 and 18,763,171.44 is: 28,144,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146,512.40 : 82,720,218.60 = 18,763,171.44 : x
  2. Step 2: Convert to fraction form
    55,146,512.40/82,720,218.60 = 18,763,171.44/x
  3. Step 3: Cross multiply
    55,146,512.40x = 82,720,218.60 × 18,763,171.44
  4. Step 4: Simplify right side
    55,146,512.40x = 1,552,093,643,146,076.75
  5. Step 5: Solve for x
    x = 1,552,093,643,146,076.75/55,146,512.40
  6. Step 6: Final answer
    x = 28,144,910.27

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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.