Home / 272,616,796.20-408,925,194.30-163,777,679.40

Finding the Fourth Proportional to 272,616,796.20, 408,925,194.30 and 163,777,679.40

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Solution

The fourth proportional to 272,616,796.20, 408,925,194.30 and 163,777,679.40 is: 245,666,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,616,796.20 : 408,925,194.30 = 163,777,679.40 : x
  2. Step 2: Convert to fraction form
    272,616,796.20/408,925,194.30 = 163,777,679.40/x
  3. Step 3: Cross multiply
    272,616,796.20x = 408,925,194.30 × 163,777,679.40
  4. Step 4: Simplify right side
    272,616,796.20x = 66,972,819,370,648,112
  5. Step 5: Solve for x
    x = 66,972,819,370,648,112/272,616,796.20
  6. Step 6: Final answer
    x = 245,666,519.10

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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.