Home / 120,384,739.73-166,141,186.49-68,183,061.77

Finding the Fourth Proportional to 120,384,739.73, 166,141,186.49 and 68,183,061.77

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Solution

The fourth proportional to 120,384,739.73, 166,141,186.49 and 68,183,061.77 is: 94,098,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,739.73 : 166,141,186.49 = 68,183,061.77 : x
  2. Step 2: Convert to fraction form
    120,384,739.73/166,141,186.49 = 68,183,061.77/x
  3. Step 3: Cross multiply
    120,384,739.73x = 166,141,186.49 × 68,183,061.77
  4. Step 4: Simplify right side
    120,384,739.73x = 11,328,014,780,988,760
  5. Step 5: Solve for x
    x = 11,328,014,780,988,760/120,384,739.73
  6. Step 6: Final answer
    x = 94,098,428.14

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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.