Home / 69,780,120.56-96,296,571-38,839,625.84

Finding the Fourth Proportional to 69,780,120.56, 96,296,571 and 38,839,625.84

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Solution

The fourth proportional to 69,780,120.56, 96,296,571 and 38,839,625.84 is: 53,598,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780,120.56 : 96,296,571 = 38,839,625.84 : x
  2. Step 2: Convert to fraction form
    69,780,120.56/96,296,571 = 38,839,625.84/x
  3. Step 3: Cross multiply
    69,780,120.56x = 96,296,571 × 38,839,625.84
  4. Step 4: Simplify right side
    69,780,120.56x = 3,740,122,787,314,995
  5. Step 5: Solve for x
    x = 3,740,122,787,314,995/69,780,120.56
  6. Step 6: Final answer
    x = 53,598,686.23

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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.