Home / 80,850,451.21-121,275,662.96-25,557,101.35

Finding the Fourth Proportional to 80,850,451.21, 121,275,662.96 and 25,557,101.35

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Solution

The fourth proportional to 80,850,451.21, 121,275,662.96 and 25,557,101.35 is: 38,335,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850,451.21 : 121,275,662.96 = 25,557,101.35 : x
  2. Step 2: Convert to fraction form
    80,850,451.21/121,275,662.96 = 25,557,101.35/x
  3. Step 3: Cross multiply
    80,850,451.21x = 121,275,662.96 × 25,557,101.35
  4. Step 4: Simplify right side
    80,850,451.21x = 3,099,454,409,557,161
  5. Step 5: Solve for x
    x = 3,099,454,409,557,161/80,850,451.21
  6. Step 6: Final answer
    x = 38,335,647.65

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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.