Home / 66,945,273.66-100,378,892.52-25,956,828

Finding the Fourth Proportional to 66,945,273.66, 100,378,892.52 and 25,956,828

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Solution

The fourth proportional to 66,945,273.66, 100,378,892.52 and 25,956,828 is: 38,920,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945,273.66 : 100,378,892.52 = 25,956,828 : x
  2. Step 2: Convert to fraction form
    66,945,273.66/100,378,892.52 = 25,956,828/x
  3. Step 3: Cross multiply
    66,945,273.66x = 100,378,892.52 × 25,956,828
  4. Step 4: Simplify right side
    66,945,273.66x = 2,605,517,647,972,126.50
  5. Step 5: Solve for x
    x = 2,605,517,647,972,126.50/66,945,273.66
  6. Step 6: Final answer
    x = 38,920,113.48

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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.