Home / 84,067,338.60-126,101,007.90-74,501,400.60

Finding the Fourth Proportional to 84,067,338.60, 126,101,007.90 and 74,501,400.60

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Solution

The fourth proportional to 84,067,338.60, 126,101,007.90 and 74,501,400.60 is: 111,752,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067,338.60 : 126,101,007.90 = 74,501,400.60 : x
  2. Step 2: Convert to fraction form
    84,067,338.60/126,101,007.90 = 74,501,400.60/x
  3. Step 3: Cross multiply
    84,067,338.60x = 126,101,007.90 × 74,501,400.60
  4. Step 4: Simplify right side
    84,067,338.60x = 9,394,701,705,621,664
  5. Step 5: Solve for x
    x = 9,394,701,705,621,664/84,067,338.60
  6. Step 6: Final answer
    x = 111,752,100.90

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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.