Home / 54,561,670.40-81,873,998.40-20,486,460.80

Finding the Fourth Proportional to 54,561,670.40, 81,873,998.40 and 20,486,460.80

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Solution

The fourth proportional to 54,561,670.40, 81,873,998.40 and 20,486,460.80 is: 30,741,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561,670.40 : 81,873,998.40 = 20,486,460.80 : x
  2. Step 2: Convert to fraction form
    54,561,670.40/81,873,998.40 = 20,486,460.80/x
  3. Step 3: Cross multiply
    54,561,670.40x = 81,873,998.40 × 20,486,460.80
  4. Step 4: Simplify right side
    54,561,670.40x = 1,677,308,458,760,863
  5. Step 5: Solve for x
    x = 1,677,308,458,760,863/54,561,670.40
  6. Step 6: Final answer
    x = 30,741,515.91

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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.