Home / 171,072,168.80-256,384,304.40-68,752,450.40

Finding the Fourth Proportional to 171,072,168.80, 256,384,304.40 and 68,752,450.40

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Solution

The fourth proportional to 171,072,168.80, 256,384,304.40 and 68,752,450.40 is: 103,038,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,168.80 : 256,384,304.40 = 68,752,450.40 : x
  2. Step 2: Convert to fraction form
    171,072,168.80/256,384,304.40 = 68,752,450.40/x
  3. Step 3: Cross multiply
    171,072,168.80x = 256,384,304.40 × 68,752,450.40
  4. Step 4: Simplify right side
    171,072,168.80x = 17,627,049,171,599,504
  5. Step 5: Solve for x
    x = 17,627,049,171,599,504/171,072,168.80
  6. Step 6: Final answer
    x = 103,038,672.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.