Home / 217,290,672.20-325,936,008.30-166,272,336.20

Finding the Fourth Proportional to 217,290,672.20, 325,936,008.30 and 166,272,336.20

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Solution

The fourth proportional to 217,290,672.20, 325,936,008.30 and 166,272,336.20 is: 249,408,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,290,672.20 : 325,936,008.30 = 166,272,336.20 : x
  2. Step 2: Convert to fraction form
    217,290,672.20/325,936,008.30 = 166,272,336.20/x
  3. Step 3: Cross multiply
    217,290,672.20x = 325,936,008.30 × 166,272,336.20
  4. Step 4: Simplify right side
    217,290,672.20x = 54,194,141,551,743,592
  5. Step 5: Solve for x
    x = 54,194,141,551,743,592/217,290,672.20
  6. Step 6: Final answer
    x = 249,408,504.30

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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.