Home / 76,324,819.60-114,619,939.80-40,493,011.60

Finding the Fourth Proportional to 76,324,819.60, 114,619,939.80 and 40,493,011.60

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Solution

The fourth proportional to 76,324,819.60, 114,619,939.80 and 40,493,011.60 is: 60,809,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324,819.60 : 114,619,939.80 = 40,493,011.60 : x
  2. Step 2: Convert to fraction form
    76,324,819.60/114,619,939.80 = 40,493,011.60/x
  3. Step 3: Cross multiply
    76,324,819.60x = 114,619,939.80 × 40,493,011.60
  4. Step 4: Simplify right side
    76,324,819.60x = 4,641,306,551,912,702
  5. Step 5: Solve for x
    x = 4,641,306,551,912,702/76,324,819.60
  6. Step 6: Final answer
    x = 60,809,924.95

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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.