Home / 54,527,738.20-81,722,141.70-28,980,986.20

Finding the Fourth Proportional to 54,527,738.20, 81,722,141.70 and 28,980,986.20

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Solution

The fourth proportional to 54,527,738.20, 81,722,141.70 and 28,980,986.20 is: 43,434,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,527,738.20 : 81,722,141.70 = 28,980,986.20 : x
  2. Step 2: Convert to fraction form
    54,527,738.20/81,722,141.70 = 28,980,986.20/x
  3. Step 3: Cross multiply
    54,527,738.20x = 81,722,141.70 × 28,980,986.20
  4. Step 4: Simplify right side
    54,527,738.20x = 2,368,388,260,842,144.50
  5. Step 5: Solve for x
    x = 2,368,388,260,842,144.50/54,527,738.20
  6. Step 6: Final answer
    x = 43,434,558.98

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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.