Home / 120,494,964.78-166,286,558.91-68,282,264.34

Finding the Fourth Proportional to 120,494,964.78, 166,286,558.91 and 68,282,264.34

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Solution

The fourth proportional to 120,494,964.78, 166,286,558.91 and 68,282,264.34 is: 94,231,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494,964.78 : 166,286,558.91 = 68,282,264.34 : x
  2. Step 2: Convert to fraction form
    120,494,964.78/166,286,558.91 = 68,282,264.34/x
  3. Step 3: Cross multiply
    120,494,964.78x = 166,286,558.91 × 68,282,264.34
  4. Step 4: Simplify right side
    120,494,964.78x = 11,354,422,771,681,602
  5. Step 5: Solve for x
    x = 11,354,422,771,681,602/120,494,964.78
  6. Step 6: Final answer
    x = 94,231,512.43

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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.