Home / 81,291,198.44-112,097,056.38-48,245,063.01

Finding the Fourth Proportional to 81,291,198.44, 112,097,056.38 and 48,245,063.01

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Solution

The fourth proportional to 81,291,198.44, 112,097,056.38 and 48,245,063.01 is: 66,527,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,198.44 : 112,097,056.38 = 48,245,063.01 : x
  2. Step 2: Convert to fraction form
    81,291,198.44/112,097,056.38 = 48,245,063.01/x
  3. Step 3: Cross multiply
    81,291,198.44x = 112,097,056.38 × 48,245,063.01
  4. Step 4: Simplify right side
    81,291,198.44x = 5,408,129,548,317,886
  5. Step 5: Solve for x
    x = 5,408,129,548,317,886/81,291,198.44
  6. Step 6: Final answer
    x = 66,527,860.97

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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.