Home / 256,770,561.49-354,313,481.22-143,746,242.37

Finding the Fourth Proportional to 256,770,561.49, 354,313,481.22 and 143,746,242.37

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Solution

The fourth proportional to 256,770,561.49, 354,313,481.22 and 143,746,242.37 is: 198,353,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,770,561.49 : 354,313,481.22 = 143,746,242.37 : x
  2. Step 2: Convert to fraction form
    256,770,561.49/354,313,481.22 = 143,746,242.37/x
  3. Step 3: Cross multiply
    256,770,561.49x = 354,313,481.22 × 143,746,242.37
  4. Step 4: Simplify right side
    256,770,561.49x = 50,931,231,544,637,000
  5. Step 5: Solve for x
    x = 50,931,231,544,637,000/256,770,561.49
  6. Step 6: Final answer
    x = 198,353,079.30

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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.