Home / 143,049,565.26-197,394,907.23-80,313,410.39

Finding the Fourth Proportional to 143,049,565.26, 197,394,907.23 and 80,313,410.39

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Solution

The fourth proportional to 143,049,565.26, 197,394,907.23 and 80,313,410.39 is: 110,824,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049,565.26 : 197,394,907.23 = 80,313,410.39 : x
  2. Step 2: Convert to fraction form
    143,049,565.26/197,394,907.23 = 80,313,410.39/x
  3. Step 3: Cross multiply
    143,049,565.26x = 197,394,907.23 × 80,313,410.39
  4. Step 4: Simplify right side
    143,049,565.26x = 15,853,458,192,271,994
  5. Step 5: Solve for x
    x = 15,853,458,192,271,994/143,049,565.26
  6. Step 6: Final answer
    x = 110,824,930.95

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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.