Home / 267,424,728.11-368,990,861.25-154,392,261.23

Finding the Fourth Proportional to 267,424,728.11, 368,990,861.25 and 154,392,261.23

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Solution

The fourth proportional to 267,424,728.11, 368,990,861.25 and 154,392,261.23 is: 213,029,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,424,728.11 : 368,990,861.25 = 154,392,261.23 : x
  2. Step 2: Convert to fraction form
    267,424,728.11/368,990,861.25 = 154,392,261.23/x
  3. Step 3: Cross multiply
    267,424,728.11x = 368,990,861.25 × 154,392,261.23
  4. Step 4: Simplify right side
    267,424,728.11x = 56,969,333,441,743,200
  5. Step 5: Solve for x
    x = 56,969,333,441,743,200/267,424,728.11
  6. Step 6: Final answer
    x = 213,029,415.21

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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.