Home / 54,527,743.20-81,722,149.20-28,980,991.20

Finding the Fourth Proportional to 54,527,743.20, 81,722,149.20 and 28,980,991.20

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Solution

The fourth proportional to 54,527,743.20, 81,722,149.20 and 28,980,991.20 is: 43,434,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,527,743.20 : 81,722,149.20 = 28,980,991.20 : x
  2. Step 2: Convert to fraction form
    54,527,743.20/81,722,149.20 = 28,980,991.20/x
  3. Step 3: Cross multiply
    54,527,743.20x = 81,722,149.20 × 28,980,991.20
  4. Step 4: Simplify right side
    54,527,743.20x = 2,368,388,886,810,287
  5. Step 5: Solve for x
    x = 2,368,388,886,810,287/54,527,743.20
  6. Step 6: Final answer
    x = 43,434,566.48

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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.