Home / 76,628,157,467.20-114,942,236,200.80-45,282,491,828.80

Finding the Fourth Proportional to 76,628,157,467.20, 114,942,236,200.80 and 45,282,491,828.80

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Solution

The fourth proportional to 76,628,157,467.20, 114,942,236,200.80 and 45,282,491,828.80 is: 67,923,737,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628,157,467.20 : 114,942,236,200.80 = 45,282,491,828.80 : x
  2. Step 2: Convert to fraction form
    76,628,157,467.20/114,942,236,200.80 = 45,282,491,828.80/x
  3. Step 3: Cross multiply
    76,628,157,467.20x = 114,942,236,200.80 × 45,282,491,828.80
  4. Step 4: Simplify right side
    76,628,157,467.20x = 5,204,870,871,546,726,449,152
  5. Step 5: Solve for x
    x = 5,204,870,871,546,726,449,152/76,628,157,467.20
  6. Step 6: Final answer
    x = 67,923,737,743.20

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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.