Home / 217,487,563.20-326,231,344.80-177,674,443.20

Finding the Fourth Proportional to 217,487,563.20, 326,231,344.80 and 177,674,443.20

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Solution

The fourth proportional to 217,487,563.20, 326,231,344.80 and 177,674,443.20 is: 266,511,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,487,563.20 : 326,231,344.80 = 177,674,443.20 : x
  2. Step 2: Convert to fraction form
    217,487,563.20/326,231,344.80 = 177,674,443.20/x
  3. Step 3: Cross multiply
    217,487,563.20x = 326,231,344.80 × 177,674,443.20
  4. Step 4: Simplify right side
    217,487,563.20x = 57,962,972,541,727,216
  5. Step 5: Solve for x
    x = 57,962,972,541,727,216/217,487,563.20
  6. Step 6: Final answer
    x = 266,511,664.80

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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.