Home / 54,345,642.60-81,612,942.30-28,836,474.60

Finding the Fourth Proportional to 54,345,642.60, 81,612,942.30 and 28,836,474.60

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Solution

The fourth proportional to 54,345,642.60, 81,612,942.30 and 28,836,474.60 is: 43,304,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345,642.60 : 81,612,942.30 = 28,836,474.60 : x
  2. Step 2: Convert to fraction form
    54,345,642.60/81,612,942.30 = 28,836,474.60/x
  3. Step 3: Cross multiply
    54,345,642.60x = 81,612,942.30 × 28,836,474.60
  4. Step 4: Simplify right side
    54,345,642.60x = 2,353,429,537,665,215.50
  5. Step 5: Solve for x
    x = 2,353,429,537,665,215.50/54,345,642.60
  6. Step 6: Final answer
    x = 43,304,843.32

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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.