Home / 331,128,789.20-496,693,183.80-101,067,980.30

Finding the Fourth Proportional to 331,128,789.20, 496,693,183.80 and 101,067,980.30

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Solution

The fourth proportional to 331,128,789.20, 496,693,183.80 and 101,067,980.30 is: 151,601,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,789.20 : 496,693,183.80 = 101,067,980.30 : x
  2. Step 2: Convert to fraction form
    331,128,789.20/496,693,183.80 = 101,067,980.30/x
  3. Step 3: Cross multiply
    331,128,789.20x = 496,693,183.80 × 101,067,980.30
  4. Step 4: Simplify right side
    331,128,789.20x = 50,199,776,915,442,680
  5. Step 5: Solve for x
    x = 50,199,776,915,442,680/331,128,789.20
  6. Step 6: Final answer
    x = 151,601,970.45

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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.