Home / 230,321,679.89-345,482,519.79-76,967,736.32

Finding the Fourth Proportional to 230,321,679.89, 345,482,519.79 and 76,967,736.32

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Solution

The fourth proportional to 230,321,679.89, 345,482,519.79 and 76,967,736.32 is: 115,451,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,321,679.89 : 345,482,519.79 = 76,967,736.32 : x
  2. Step 2: Convert to fraction form
    230,321,679.89/345,482,519.79 = 76,967,736.32/x
  3. Step 3: Cross multiply
    230,321,679.89x = 345,482,519.79 × 76,967,736.32
  4. Step 4: Simplify right side
    230,321,679.89x = 26,591,007,484,638,492
  5. Step 5: Solve for x
    x = 26,591,007,484,638,492/230,321,679.89
  6. Step 6: Final answer
    x = 115,451,604.46

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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.