Home / 171,209,914.56-256,823,295.84-68,960,128.32

Finding the Fourth Proportional to 171,209,914.56, 256,823,295.84 and 68,960,128.32

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Solution

The fourth proportional to 171,209,914.56, 256,823,295.84 and 68,960,128.32 is: 103,443,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,209,914.56 : 256,823,295.84 = 68,960,128.32 : x
  2. Step 2: Convert to fraction form
    171,209,914.56/256,823,295.84 = 68,960,128.32/x
  3. Step 3: Cross multiply
    171,209,914.56x = 256,823,295.84 × 68,960,128.32
  4. Step 4: Simplify right side
    171,209,914.56x = 17,710,567,436,691,720
  5. Step 5: Solve for x
    x = 17,710,567,436,691,720/171,209,914.56
  6. Step 6: Final answer
    x = 103,443,585.51

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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.