Home / 194,826,749.78-268,758,982.10-120,463,539.26

Finding the Fourth Proportional to 194,826,749.78, 268,758,982.10 and 120,463,539.26

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Solution

The fourth proportional to 194,826,749.78, 268,758,982.10 and 120,463,539.26 is: 166,176,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,826,749.78 : 268,758,982.10 = 120,463,539.26 : x
  2. Step 2: Convert to fraction form
    194,826,749.78/268,758,982.10 = 120,463,539.26/x
  3. Step 3: Cross multiply
    194,826,749.78x = 268,758,982.10 × 120,463,539.26
  4. Step 4: Simplify right side
    194,826,749.78x = 32,375,658,191,680,992
  5. Step 5: Solve for x
    x = 32,375,658,191,680,992/194,826,749.78
  6. Step 6: Final answer
    x = 166,176,658.12

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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.