Home / 84,067,338.10-126,101,007.15-74,501,400.10

Finding the Fourth Proportional to 84,067,338.10, 126,101,007.15 and 74,501,400.10

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Solution

The fourth proportional to 84,067,338.10, 126,101,007.15 and 74,501,400.10 is: 111,752,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067,338.10 : 126,101,007.15 = 74,501,400.10 : x
  2. Step 2: Convert to fraction form
    84,067,338.10/126,101,007.15 = 74,501,400.10/x
  3. Step 3: Cross multiply
    84,067,338.10x = 126,101,007.15 × 74,501,400.10
  4. Step 4: Simplify right side
    84,067,338.10x = 9,394,701,586,695,110
  5. Step 5: Solve for x
    x = 9,394,701,586,695,110/84,067,338.10
  6. Step 6: Final answer
    x = 111,752,100.15

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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.