Home / 256,770,718.44-354,313,697.40-143,746,399.32

Finding the Fourth Proportional to 256,770,718.44, 354,313,697.40 and 143,746,399.32

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Solution

The fourth proportional to 256,770,718.44, 354,313,697.40 and 143,746,399.32 is: 198,353,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,770,718.44 : 354,313,697.40 = 143,746,399.32 : x
  2. Step 2: Convert to fraction form
    256,770,718.44/354,313,697.40 = 143,746,399.32/x
  3. Step 3: Cross multiply
    256,770,718.44x = 354,313,697.40 × 143,746,399.32
  4. Step 4: Simplify right side
    256,770,718.44x = 50,931,318,231,006,040
  5. Step 5: Solve for x
    x = 50,931,318,231,006,040/256,770,718.44
  6. Step 6: Final answer
    x = 198,353,295.66

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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.