Home / 121,498,512.89-167,634,724.19-69,268,491.41

Finding the Fourth Proportional to 121,498,512.89, 167,634,724.19 and 69,268,491.41

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Solution

The fourth proportional to 121,498,512.89, 167,634,724.19 and 69,268,491.41 is: 95,571,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,498,512.89 : 167,634,724.19 = 69,268,491.41 : x
  2. Step 2: Convert to fraction form
    121,498,512.89/167,634,724.19 = 69,268,491.41/x
  3. Step 3: Cross multiply
    121,498,512.89x = 167,634,724.19 × 69,268,491.41
  4. Step 4: Simplify right side
    121,498,512.89x = 11,611,804,451,388,218
  5. Step 5: Solve for x
    x = 11,611,804,451,388,218/121,498,512.89
  6. Step 6: Final answer
    x = 95,571,576.77

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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.