Home / 171,072,183.80-256,384,326.90-68,752,465.40

Finding the Fourth Proportional to 171,072,183.80, 256,384,326.90 and 68,752,465.40

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Solution

The fourth proportional to 171,072,183.80, 256,384,326.90 and 68,752,465.40 is: 103,038,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,183.80 : 256,384,326.90 = 68,752,465.40 : x
  2. Step 2: Convert to fraction form
    171,072,183.80/256,384,326.90 = 68,752,465.40/x
  3. Step 3: Cross multiply
    171,072,183.80x = 256,384,326.90 × 68,752,465.40
  4. Step 4: Simplify right side
    171,072,183.80x = 17,627,054,564,294,542
  5. Step 5: Solve for x
    x = 17,627,054,564,294,542/171,072,183.80
  6. Step 6: Final answer
    x = 103,038,694.97

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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.