Home / 54,528,723.20-81,723,619.20-28,981,971.20

Finding the Fourth Proportional to 54,528,723.20, 81,723,619.20 and 28,981,971.20

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Solution

The fourth proportional to 54,528,723.20, 81,723,619.20 and 28,981,971.20 is: 43,436,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,528,723.20 : 81,723,619.20 = 28,981,971.20 : x
  2. Step 2: Convert to fraction form
    54,528,723.20/81,723,619.20 = 28,981,971.20/x
  3. Step 3: Cross multiply
    54,528,723.20x = 81,723,619.20 × 28,981,971.20
  4. Step 4: Simplify right side
    54,528,723.20x = 2,368,511,578,014,167
  5. Step 5: Solve for x
    x = 2,368,511,578,014,167/54,528,723.20
  6. Step 6: Final answer
    x = 43,436,035.89

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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.