Home / 54,451,231.40-81,440,651.10-48,735,288.20

Finding the Fourth Proportional to 54,451,231.40, 81,440,651.10 and 48,735,288.20

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Solution

The fourth proportional to 54,451,231.40, 81,440,651.10 and 48,735,288.20 is: 72,891,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451,231.40 : 81,440,651.10 = 48,735,288.20 : x
  2. Step 2: Convert to fraction form
    54,451,231.40/81,440,651.10 = 48,735,288.20/x
  3. Step 3: Cross multiply
    54,451,231.40x = 81,440,651.10 × 48,735,288.20
  4. Step 4: Simplify right side
    54,451,231.40x = 3,969,033,602,554,147
  5. Step 5: Solve for x
    x = 3,969,033,602,554,147/54,451,231.40
  6. Step 6: Final answer
    x = 72,891,530.65

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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.