Home / 171,072,217.80-256,384,377.90-68,752,499.40

Finding the Fourth Proportional to 171,072,217.80, 256,384,377.90 and 68,752,499.40

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Solution

The fourth proportional to 171,072,217.80, 256,384,377.90 and 68,752,499.40 is: 103,038,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,217.80 : 256,384,377.90 = 68,752,499.40 : x
  2. Step 2: Convert to fraction form
    171,072,217.80/256,384,377.90 = 68,752,499.40/x
  3. Step 3: Cross multiply
    171,072,217.80x = 256,384,377.90 × 68,752,499.40
  4. Step 4: Simplify right side
    171,072,217.80x = 17,627,066,787,739,126
  5. Step 5: Solve for x
    x = 17,627,066,787,739,126/171,072,217.80
  6. Step 6: Final answer
    x = 103,038,745.94

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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.