Home / 120,303,878.80-166,015,057.18-68,091,793.48

Finding the Fourth Proportional to 120,303,878.80, 166,015,057.18 and 68,091,793.48

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Solution

The fourth proportional to 120,303,878.80, 166,015,057.18 and 68,091,793.48 is: 93,964,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,878.80 : 166,015,057.18 = 68,091,793.48 : x
  2. Step 2: Convert to fraction form
    120,303,878.80/166,015,057.18 = 68,091,793.48/x
  3. Step 3: Cross multiply
    120,303,878.80x = 166,015,057.18 × 68,091,793.48
  4. Step 4: Simplify right side
    120,303,878.80x = 11,304,262,988,070,952
  5. Step 5: Solve for x
    x = 11,304,262,988,070,952/120,303,878.80
  6. Step 6: Final answer
    x = 93,964,243.72

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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.