Home / 171,072,114.80-256,384,223.40-68,752,396.40

Finding the Fourth Proportional to 171,072,114.80, 256,384,223.40 and 68,752,396.40

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Solution

The fourth proportional to 171,072,114.80, 256,384,223.40 and 68,752,396.40 is: 103,038,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,114.80 : 256,384,223.40 = 68,752,396.40 : x
  2. Step 2: Convert to fraction form
    171,072,114.80/256,384,223.40 = 68,752,396.40/x
  3. Step 3: Cross multiply
    171,072,114.80x = 256,384,223.40 × 68,752,396.40
  4. Step 4: Simplify right side
    171,072,114.80x = 17,627,029,757,902,958
  5. Step 5: Solve for x
    x = 17,627,029,757,902,958/171,072,114.80
  6. Step 6: Final answer
    x = 103,038,591.52

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Why These Related Problems?

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