Home / 54,270,816.60-81,378,231.30-20,174,611.80

Finding the Fourth Proportional to 54,270,816.60, 81,378,231.30 and 20,174,611.80

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Solution

The fourth proportional to 54,270,816.60, 81,378,231.30 and 20,174,611.80 is: 30,251,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270,816.60 : 81,378,231.30 = 20,174,611.80 : x
  2. Step 2: Convert to fraction form
    54,270,816.60/81,378,231.30 = 20,174,611.80/x
  3. Step 3: Cross multiply
    54,270,816.60x = 81,378,231.30 × 20,174,611.80
  4. Step 4: Simplify right side
    54,270,816.60x = 1,641,774,225,448,109.25
  5. Step 5: Solve for x
    x = 1,641,774,225,448,109.25/54,270,816.60
  6. Step 6: Final answer
    x = 30,251,511.37

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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.