Home / 271,680,665.40-407,520,998.10-242,203,404.60

Finding the Fourth Proportional to 271,680,665.40, 407,520,998.10 and 242,203,404.60

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Solution

The fourth proportional to 271,680,665.40, 407,520,998.10 and 242,203,404.60 is: 363,305,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,680,665.40 : 407,520,998.10 = 242,203,404.60 : x
  2. Step 2: Convert to fraction form
    271,680,665.40/407,520,998.10 = 242,203,404.60/x
  3. Step 3: Cross multiply
    271,680,665.40x = 407,520,998.10 × 242,203,404.60
  4. Step 4: Simplify right side
    271,680,665.40x = 98,702,973,185,810,128
  5. Step 5: Solve for x
    x = 98,702,973,185,810,128/271,680,665.40
  6. Step 6: Final answer
    x = 363,305,106.90

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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.