Home / 82,544,067.80-123,816,101.70-55,334,288.60

Finding the Fourth Proportional to 82,544,067.80, 123,816,101.70 and 55,334,288.60

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Solution

The fourth proportional to 82,544,067.80, 123,816,101.70 and 55,334,288.60 is: 83,001,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,544,067.80 : 123,816,101.70 = 55,334,288.60 : x
  2. Step 2: Convert to fraction form
    82,544,067.80/123,816,101.70 = 55,334,288.60/x
  3. Step 3: Cross multiply
    82,544,067.80x = 123,816,101.70 × 55,334,288.60
  4. Step 4: Simplify right side
    82,544,067.80x = 6,851,275,904,794,751
  5. Step 5: Solve for x
    x = 6,851,275,904,794,751/82,544,067.80
  6. Step 6: Final answer
    x = 83,001,432.90

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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.