Home / 308,493,568.34-425,728,958.21-169,264,293.20

Finding the Fourth Proportional to 308,493,568.34, 425,728,958.21 and 169,264,293.20

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Solution

The fourth proportional to 308,493,568.34, 425,728,958.21 and 169,264,293.20 is: 233,589,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,493,568.34 : 425,728,958.21 = 169,264,293.20 : x
  2. Step 2: Convert to fraction form
    308,493,568.34/425,728,958.21 = 169,264,293.20/x
  3. Step 3: Cross multiply
    308,493,568.34x = 425,728,958.21 × 169,264,293.20
  4. Step 4: Simplify right side
    308,493,568.34x = 72,060,711,207,675,456
  5. Step 5: Solve for x
    x = 72,060,711,207,675,456/308,493,568.34
  6. Step 6: Final answer
    x = 233,589,022.92

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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.