Home / 213,645,067.11-320,422,759.74-60,255,251.28

Finding the Fourth Proportional to 213,645,067.11, 320,422,759.74 and 60,255,251.28

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Solution

The fourth proportional to 213,645,067.11, 320,422,759.74 and 60,255,251.28 is: 90,370,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,645,067.11 : 320,422,759.74 = 60,255,251.28 : x
  2. Step 2: Convert to fraction form
    213,645,067.11/320,422,759.74 = 60,255,251.28/x
  3. Step 3: Cross multiply
    213,645,067.11x = 320,422,759.74 × 60,255,251.28
  4. Step 4: Simplify right side
    213,645,067.11x = 19,307,153,903,964,768
  5. Step 5: Solve for x
    x = 19,307,153,903,964,768/213,645,067.11
  6. Step 6: Final answer
    x = 90,370,230.24

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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.