Home / 271,942,168.77-407,912,743.36-85,210,407.92

Finding the Fourth Proportional to 271,942,168.77, 407,912,743.36 and 85,210,407.92

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Solution

The fourth proportional to 271,942,168.77, 407,912,743.36 and 85,210,407.92 is: 127,815,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,942,168.77 : 407,912,743.36 = 85,210,407.92 : x
  2. Step 2: Convert to fraction form
    271,942,168.77/407,912,743.36 = 85,210,407.92/x
  3. Step 3: Cross multiply
    271,942,168.77x = 407,912,743.36 × 85,210,407.92
  4. Step 4: Simplify right side
    271,942,168.77x = 34,758,411,257,471,872
  5. Step 5: Solve for x
    x = 34,758,411,257,471,872/271,942,168.77
  6. Step 6: Final answer
    x = 127,815,452.14

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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.