Home / 120,650,381.52-166,492,623.62-68,438,296.56

Finding the Fourth Proportional to 120,650,381.52, 166,492,623.62 and 68,438,296.56

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Solution

The fourth proportional to 120,650,381.52, 166,492,623.62 and 68,438,296.56 is: 94,442,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,650,381.52 : 166,492,623.62 = 68,438,296.56 : x
  2. Step 2: Convert to fraction form
    120,650,381.52/166,492,623.62 = 68,438,296.56/x
  3. Step 3: Cross multiply
    120,650,381.52x = 166,492,623.62 × 68,438,296.56
  4. Step 4: Simplify right side
    120,650,381.52x = 11,394,471,550,358,022
  5. Step 5: Solve for x
    x = 11,394,471,550,358,022/120,650,381.52
  6. Step 6: Final answer
    x = 94,442,068.12

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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.