Home / 171,089,872.91-256,532,322.47-54,454,848.74

Finding the Fourth Proportional to 171,089,872.91, 256,532,322.47 and 54,454,848.74

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Solution

The fourth proportional to 171,089,872.91, 256,532,322.47 and 54,454,848.74 is: 81,649,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,089,872.91 : 256,532,322.47 = 54,454,848.74 : x
  2. Step 2: Convert to fraction form
    171,089,872.91/256,532,322.47 = 54,454,848.74/x
  3. Step 3: Cross multiply
    171,089,872.91x = 256,532,322.47 × 54,454,848.74
  4. Step 4: Simplify right side
    171,089,872.91x = 13,969,428,815,469,818
  5. Step 5: Solve for x
    x = 13,969,428,815,469,818/171,089,872.91
  6. Step 6: Final answer
    x = 81,649,653.36

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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.