Home / 120,384,751.92-166,141,203.40-68,183,074

Finding the Fourth Proportional to 120,384,751.92, 166,141,203.40 and 68,183,074

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Solution

The fourth proportional to 120,384,751.92, 166,141,203.40 and 68,183,074 is: 94,098,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,751.92 : 166,141,203.40 = 68,183,074 : x
  2. Step 2: Convert to fraction form
    120,384,751.92/166,141,203.40 = 68,183,074/x
  3. Step 3: Cross multiply
    120,384,751.92x = 166,141,203.40 × 68,183,074
  4. Step 4: Simplify right side
    120,384,751.92x = 11,328,017,965,871,252
  5. Step 5: Solve for x
    x = 11,328,017,965,871,252/120,384,751.92
  6. Step 6: Final answer
    x = 94,098,445.07

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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.