Home / 284,968,136.31-393,256,785.15-154,587,944.31

Finding the Fourth Proportional to 284,968,136.31, 393,256,785.15 and 154,587,944.31

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Solution

The fourth proportional to 284,968,136.31, 393,256,785.15 and 154,587,944.31 is: 213,331,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,968,136.31 : 393,256,785.15 = 154,587,944.31 : x
  2. Step 2: Convert to fraction form
    284,968,136.31/393,256,785.15 = 154,587,944.31/x
  3. Step 3: Cross multiply
    284,968,136.31x = 393,256,785.15 × 154,587,944.31
  4. Step 4: Simplify right side
    284,968,136.31x = 60,792,758,002,297,832
  5. Step 5: Solve for x
    x = 60,792,758,002,297,832/284,968,136.31
  6. Step 6: Final answer
    x = 213,331,773.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.