Home / 51,622,243.89-77,433,021.37-20,916,370.23

Finding the Fourth Proportional to 51,622,243.89, 77,433,021.37 and 20,916,370.23

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Solution

The fourth proportional to 51,622,243.89, 77,433,021.37 and 20,916,370.23 is: 31,374,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,243.89 : 77,433,021.37 = 20,916,370.23 : x
  2. Step 2: Convert to fraction form
    51,622,243.89/77,433,021.37 = 20,916,370.23/x
  3. Step 3: Cross multiply
    51,622,243.89x = 77,433,021.37 × 20,916,370.23
  4. Step 4: Simplify right side
    51,622,243.89x = 1,619,617,743,002,422
  5. Step 5: Solve for x
    x = 1,619,617,743,002,422/51,622,243.89
  6. Step 6: Final answer
    x = 31,374,415.77

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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.