Home / 54,561,056.40-81,873,077.40-20,485,846.80

Finding the Fourth Proportional to 54,561,056.40, 81,873,077.40 and 20,485,846.80

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Solution

The fourth proportional to 54,561,056.40, 81,873,077.40 and 20,485,846.80 is: 30,740,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561,056.40 : 81,873,077.40 = 20,485,846.80 : x
  2. Step 2: Convert to fraction form
    54,561,056.40/81,873,077.40 = 20,485,846.80/x
  3. Step 3: Cross multiply
    54,561,056.40x = 81,873,077.40 × 20,485,846.80
  4. Step 4: Simplify right side
    54,561,056.40x = 1,677,239,320,660,942.50
  5. Step 5: Solve for x
    x = 1,677,239,320,660,942.50/54,561,056.40
  6. Step 6: Final answer
    x = 30,740,594.69

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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.