Home / 80,993,505.12-111,770,964.86-45,718,735.14

Finding the Fourth Proportional to 80,993,505.12, 111,770,964.86 and 45,718,735.14

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Solution

The fourth proportional to 80,993,505.12, 111,770,964.86 and 45,718,735.14 is: 63,091,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,993,505.12 : 111,770,964.86 = 45,718,735.14 : x
  2. Step 2: Convert to fraction form
    80,993,505.12/111,770,964.86 = 45,718,735.14/x
  3. Step 3: Cross multiply
    80,993,505.12x = 111,770,964.86 × 45,718,735.14
  4. Step 4: Simplify right side
    80,993,505.12x = 5,110,027,138,547,994
  5. Step 5: Solve for x
    x = 5,110,027,138,547,994/80,993,505.12
  6. Step 6: Final answer
    x = 63,091,813.73

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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.