Home / 230,146,919.12-345,223,370.32-76,792,975.56

Finding the Fourth Proportional to 230,146,919.12, 345,223,370.32 and 76,792,975.56

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Solution

The fourth proportional to 230,146,919.12, 345,223,370.32 and 76,792,975.56 is: 115,190,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,146,919.12 : 345,223,370.32 = 76,792,975.56 : x
  2. Step 2: Convert to fraction form
    230,146,919.12/345,223,370.32 = 76,792,975.56/x
  3. Step 3: Cross multiply
    230,146,919.12x = 345,223,370.32 × 76,792,975.56
  4. Step 4: Simplify right side
    230,146,919.12x = 26,510,729,839,532,608
  5. Step 5: Solve for x
    x = 26,510,729,839,532,608/230,146,919.12
  6. Step 6: Final answer
    x = 115,190,461.56

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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.