Home / 130,211,251.82-179,609,791.08-77,250,464.36

Finding the Fourth Proportional to 130,211,251.82, 179,609,791.08 and 77,250,464.36

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Solution

The fourth proportional to 130,211,251.82, 179,609,791.08 and 77,250,464.36 is: 106,557,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211,251.82 : 179,609,791.08 = 77,250,464.36 : x
  2. Step 2: Convert to fraction form
    130,211,251.82/179,609,791.08 = 77,250,464.36/x
  3. Step 3: Cross multiply
    130,211,251.82x = 179,609,791.08 × 77,250,464.36
  4. Step 4: Simplify right side
    130,211,251.82x = 13,874,939,763,634,538
  5. Step 5: Solve for x
    x = 13,874,939,763,634,538/130,211,251.82
  6. Step 6: Final answer
    x = 106,557,149.02

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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.