Home / 80,259,969.42-110,759,324.67-43,590,540.42

Finding the Fourth Proportional to 80,259,969.42, 110,759,324.67 and 43,590,540.42

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Solution

The fourth proportional to 80,259,969.42, 110,759,324.67 and 43,590,540.42 is: 60,155,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,259,969.42 : 110,759,324.67 = 43,590,540.42 : x
  2. Step 2: Convert to fraction form
    80,259,969.42/110,759,324.67 = 43,590,540.42/x
  3. Step 3: Cross multiply
    80,259,969.42x = 110,759,324.67 × 43,590,540.42
  4. Step 4: Simplify right side
    80,259,969.42x = 4,828,058,818,919,538
  5. Step 5: Solve for x
    x = 4,828,058,818,919,538/80,259,969.42
  6. Step 6: Final answer
    x = 60,155,253.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.