Home / 120,303,859.08-166,015,029.96-68,091,773.70

Finding the Fourth Proportional to 120,303,859.08, 166,015,029.96 and 68,091,773.70

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Solution

The fourth proportional to 120,303,859.08, 166,015,029.96 and 68,091,773.70 is: 93,964,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,859.08 : 166,015,029.96 = 68,091,773.70 : x
  2. Step 2: Convert to fraction form
    120,303,859.08/166,015,029.96 = 68,091,773.70/x
  3. Step 3: Cross multiply
    120,303,859.08x = 166,015,029.96 × 68,091,773.70
  4. Step 4: Simplify right side
    120,303,859.08x = 11,304,257,850,835,042
  5. Step 5: Solve for x
    x = 11,304,257,850,835,042/120,303,859.08
  6. Step 6: Final answer
    x = 93,964,216.42

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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.