Home / 284,968,109.28-393,256,747.92-154,587,917.28

Finding the Fourth Proportional to 284,968,109.28, 393,256,747.92 and 154,587,917.28

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Solution

The fourth proportional to 284,968,109.28, 393,256,747.92 and 154,587,917.28 is: 213,331,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,968,109.28 : 393,256,747.92 = 154,587,917.28 : x
  2. Step 2: Convert to fraction form
    284,968,109.28/393,256,747.92 = 154,587,917.28/x
  3. Step 3: Cross multiply
    284,968,109.28x = 393,256,747.92 × 154,587,917.28
  4. Step 4: Simplify right side
    284,968,109.28x = 60,792,741,617,258,776
  5. Step 5: Solve for x
    x = 60,792,741,617,258,776/284,968,109.28
  6. Step 6: Final answer
    x = 213,331,736.56

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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.