Home / 76,699,729.60-115,033,005.60-33,568,849.60

Finding the Fourth Proportional to 76,699,729.60, 115,033,005.60 and 33,568,849.60

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Solution

The fourth proportional to 76,699,729.60, 115,033,005.60 and 33,568,849.60 is: 50,346,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,699,729.60 : 115,033,005.60 = 33,568,849.60 : x
  2. Step 2: Convert to fraction form
    76,699,729.60/115,033,005.60 = 33,568,849.60/x
  3. Step 3: Cross multiply
    76,699,729.60x = 115,033,005.60 × 33,568,849.60
  4. Step 4: Simplify right side
    76,699,729.60x = 3,861,525,664,022,357.50
  5. Step 5: Solve for x
    x = 3,861,525,664,022,357.50/76,699,729.60
  6. Step 6: Final answer
    x = 50,346,014.05

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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.