Home / 76,324,811.60-114,619,927.80-40,493,003.60

Finding the Fourth Proportional to 76,324,811.60, 114,619,927.80 and 40,493,003.60

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Solution

The fourth proportional to 76,324,811.60, 114,619,927.80 and 40,493,003.60 is: 60,809,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324,811.60 : 114,619,927.80 = 40,493,003.60 : x
  2. Step 2: Convert to fraction form
    76,324,811.60/114,619,927.80 = 40,493,003.60/x
  3. Step 3: Cross multiply
    76,324,811.60x = 114,619,927.80 × 40,493,003.60
  4. Step 4: Simplify right side
    76,324,811.60x = 4,641,305,149,037,140
  5. Step 5: Solve for x
    x = 4,641,305,149,037,140/76,324,811.60
  6. Step 6: Final answer
    x = 60,809,912.95

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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.