Home / 76,628,157,851.70-114,942,236,777.55-45,282,492,213.30

Finding the Fourth Proportional to 76,628,157,851.70, 114,942,236,777.55 and 45,282,492,213.30

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Solution

The fourth proportional to 76,628,157,851.70, 114,942,236,777.55 and 45,282,492,213.30 is: 67,923,738,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628,157,851.70 : 114,942,236,777.55 = 45,282,492,213.30 : x
  2. Step 2: Convert to fraction form
    76,628,157,851.70/114,942,236,777.55 = 45,282,492,213.30/x
  3. Step 3: Cross multiply
    76,628,157,851.70x = 114,942,236,777.55 × 45,282,492,213.30
  4. Step 4: Simplify right side
    76,628,157,851.70x = 5,204,870,941,858,693,382,144
  5. Step 5: Solve for x
    x = 5,204,870,941,858,693,382,144/76,628,157,851.70
  6. Step 6: Final answer
    x = 67,923,738,319.95

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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.