Home / 120,290,096.58-180,511,047.66-51,202,789.80

Finding the Fourth Proportional to 120,290,096.58, 180,511,047.66 and 51,202,789.80

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Solution

The fourth proportional to 120,290,096.58, 180,511,047.66 and 51,202,789.80 is: 76,836,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,290,096.58 : 180,511,047.66 = 51,202,789.80 : x
  2. Step 2: Convert to fraction form
    120,290,096.58/180,511,047.66 = 51,202,789.80/x
  3. Step 3: Cross multiply
    120,290,096.58x = 180,511,047.66 × 51,202,789.80
  4. Step 4: Simplify right side
    120,290,096.58x = 9,242,669,229,912,762
  5. Step 5: Solve for x
    x = 9,242,669,229,912,762/120,290,096.58
  6. Step 6: Final answer
    x = 76,836,493.55

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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.