Home / 66,367,067.30-99,550,600.95-55,029,659.30

Finding the Fourth Proportional to 66,367,067.30, 99,550,600.95 and 55,029,659.30

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Solution

The fourth proportional to 66,367,067.30, 99,550,600.95 and 55,029,659.30 is: 82,544,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367,067.30 : 99,550,600.95 = 55,029,659.30 : x
  2. Step 2: Convert to fraction form
    66,367,067.30/99,550,600.95 = 55,029,659.30/x
  3. Step 3: Cross multiply
    66,367,067.30x = 99,550,600.95 × 55,029,659.30
  4. Step 4: Simplify right side
    66,367,067.30x = 5,478,235,653,388,756
  5. Step 5: Solve for x
    x = 5,478,235,653,388,756/66,367,067.30
  6. Step 6: Final answer
    x = 82,544,488.95

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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.