Home / 160,336,814.40-240,505,221.60-137,378,563.20

Finding the Fourth Proportional to 160,336,814.40, 240,505,221.60 and 137,378,563.20

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Solution

The fourth proportional to 160,336,814.40, 240,505,221.60 and 137,378,563.20 is: 206,067,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,336,814.40 : 240,505,221.60 = 137,378,563.20 : x
  2. Step 2: Convert to fraction form
    160,336,814.40/240,505,221.60 = 137,378,563.20/x
  3. Step 3: Cross multiply
    160,336,814.40x = 240,505,221.60 × 137,378,563.20
  4. Step 4: Simplify right side
    160,336,814.40x = 33,040,261,785,505,600
  5. Step 5: Solve for x
    x = 33,040,261,785,505,600/160,336,814.40
  6. Step 6: Final answer
    x = 206,067,844.80

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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.