Home / 54,207,758.31-81,311,635.16-15,869,272.26

Finding the Fourth Proportional to 54,207,758.31, 81,311,635.16 and 15,869,272.26

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Solution

The fourth proportional to 54,207,758.31, 81,311,635.16 and 15,869,272.26 is: 23,803,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207,758.31 : 81,311,635.16 = 15,869,272.26 : x
  2. Step 2: Convert to fraction form
    54,207,758.31/81,311,635.16 = 15,869,272.26/x
  3. Step 3: Cross multiply
    54,207,758.31x = 81,311,635.16 × 15,869,272.26
  4. Step 4: Simplify right side
    54,207,758.31x = 1,290,356,476,259,828.50
  5. Step 5: Solve for x
    x = 1,290,356,476,259,828.50/54,207,758.31
  6. Step 6: Final answer
    x = 23,803,907.72

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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.