Home / 55,400,919.82-76,453,569.24-30,283,063.36

Finding the Fourth Proportional to 55,400,919.82, 76,453,569.24 and 30,283,063.36

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Solution

The fourth proportional to 55,400,919.82, 76,453,569.24 and 30,283,063.36 is: 41,790,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400,919.82 : 76,453,569.24 = 30,283,063.36 : x
  2. Step 2: Convert to fraction form
    55,400,919.82/76,453,569.24 = 30,283,063.36/x
  3. Step 3: Cross multiply
    55,400,919.82x = 76,453,569.24 × 30,283,063.36
  4. Step 4: Simplify right side
    55,400,919.82x = 2,315,248,281,393,067
  5. Step 5: Solve for x
    x = 2,315,248,281,393,067/55,400,919.82
  6. Step 6: Final answer
    x = 41,790,791.36

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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.