Home / 203,341,996.62-280,747,090.06-156,215,137.34

Finding the Fourth Proportional to 203,341,996.62, 280,747,090.06 and 156,215,137.34

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Solution

The fourth proportional to 203,341,996.62, 280,747,090.06 and 156,215,137.34 is: 215,680,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,341,996.62 : 280,747,090.06 = 156,215,137.34 : x
  2. Step 2: Convert to fraction form
    203,341,996.62/280,747,090.06 = 156,215,137.34/x
  3. Step 3: Cross multiply
    203,341,996.62x = 280,747,090.06 × 156,215,137.34
  4. Step 4: Simplify right side
    203,341,996.62x = 43,856,945,231,839,576
  5. Step 5: Solve for x
    x = 43,856,945,231,839,576/203,341,996.62
  6. Step 6: Final answer
    x = 215,680,705.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.