Home / 111,170,003.70-166,755,005.55-30,390,971.70

Finding the Fourth Proportional to 111,170,003.70, 166,755,005.55 and 30,390,971.70

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Solution

The fourth proportional to 111,170,003.70, 166,755,005.55 and 30,390,971.70 is: 45,586,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,170,003.70 : 166,755,005.55 = 30,390,971.70 : x
  2. Step 2: Convert to fraction form
    111,170,003.70/166,755,005.55 = 30,390,971.70/x
  3. Step 3: Cross multiply
    111,170,003.70x = 166,755,005.55 × 30,390,971.70
  4. Step 4: Simplify right side
    111,170,003.70x = 5,067,846,654,503,393
  5. Step 5: Solve for x
    x = 5,067,846,654,503,393/111,170,003.70
  6. Step 6: Final answer
    x = 45,586,457.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.