Home / 54,207,757.31-81,311,633.66-15,869,271.26

Finding the Fourth Proportional to 54,207,757.31, 81,311,633.66 and 15,869,271.26

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Solution

The fourth proportional to 54,207,757.31, 81,311,633.66 and 15,869,271.26 is: 23,803,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207,757.31 : 81,311,633.66 = 15,869,271.26 : x
  2. Step 2: Convert to fraction form
    54,207,757.31/81,311,633.66 = 15,869,271.26/x
  3. Step 3: Cross multiply
    54,207,757.31x = 81,311,633.66 × 15,869,271.26
  4. Step 4: Simplify right side
    54,207,757.31x = 1,290,356,371,387,238.75
  5. Step 5: Solve for x
    x = 1,290,356,371,387,238.75/54,207,757.31
  6. Step 6: Final answer
    x = 23,803,906.22

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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.