Home / 166,211,261.30-229,367,536.62-90,854,239.70

Finding the Fourth Proportional to 166,211,261.30, 229,367,536.62 and 90,854,239.70

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Solution

The fourth proportional to 166,211,261.30, 229,367,536.62 and 90,854,239.70 is: 125,376,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,211,261.30 : 229,367,536.62 = 90,854,239.70 : x
  2. Step 2: Convert to fraction form
    166,211,261.30/229,367,536.62 = 90,854,239.70/x
  3. Step 3: Cross multiply
    166,211,261.30x = 229,367,536.62 × 90,854,239.70
  4. Step 4: Simplify right side
    166,211,261.30x = 20,839,013,150,325,168
  5. Step 5: Solve for x
    x = 20,839,013,150,325,168/166,211,261.30
  6. Step 6: Final answer
    x = 125,376,662.13

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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.