Home / 256,770,712.44-354,313,689.12-143,746,393.32

Finding the Fourth Proportional to 256,770,712.44, 354,313,689.12 and 143,746,393.32

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Solution

The fourth proportional to 256,770,712.44, 354,313,689.12 and 143,746,393.32 is: 198,353,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,770,712.44 : 354,313,689.12 = 143,746,393.32 : x
  2. Step 2: Convert to fraction form
    256,770,712.44/354,313,689.12 = 143,746,393.32/x
  3. Step 3: Cross multiply
    256,770,712.44x = 354,313,689.12 × 143,746,393.32
  4. Step 4: Simplify right side
    256,770,712.44x = 50,931,314,914,903,720
  5. Step 5: Solve for x
    x = 50,931,314,914,903,720/256,770,712.44
  6. Step 6: Final answer
    x = 198,353,287.38

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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.