Home / 54,555,886.37-81,844,610.09-20,012,608.89

Finding the Fourth Proportional to 54,555,886.37, 81,844,610.09 and 20,012,608.89

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Solution

The fourth proportional to 54,555,886.37, 81,844,610.09 and 20,012,608.89 is: 30,022,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,886.37 : 81,844,610.09 = 20,012,608.89 : x
  2. Step 2: Convert to fraction form
    54,555,886.37/81,844,610.09 = 20,012,608.89/x
  3. Step 3: Cross multiply
    54,555,886.37x = 81,844,610.09 × 20,012,608.89
  4. Step 4: Simplify right side
    54,555,886.37x = 1,637,924,171,385,654.50
  5. Step 5: Solve for x
    x = 1,637,924,171,385,654.50/54,555,886.37
  6. Step 6: Final answer
    x = 30,022,867.93

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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.