Home / 120,334,093.92-166,071,326.40-68,132,328.48

Finding the Fourth Proportional to 120,334,093.92, 166,071,326.40 and 68,132,328.48

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Solution

The fourth proportional to 120,334,093.92, 166,071,326.40 and 68,132,328.48 is: 94,028,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334,093.92 : 166,071,326.40 = 68,132,328.48 : x
  2. Step 2: Convert to fraction form
    120,334,093.92/166,071,326.40 = 68,132,328.48/x
  3. Step 3: Cross multiply
    120,334,093.92x = 166,071,326.40 × 68,132,328.48
  4. Step 4: Simplify right side
    120,334,093.92x = 11,314,826,161,394,096
  5. Step 5: Solve for x
    x = 11,314,826,161,394,096/120,334,093.92
  6. Step 6: Final answer
    x = 94,028,431.95

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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.