Home / 271,942,167.77-407,912,741.86-85,210,406.92

Finding the Fourth Proportional to 271,942,167.77, 407,912,741.86 and 85,210,406.92

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Solution

The fourth proportional to 271,942,167.77, 407,912,741.86 and 85,210,406.92 is: 127,815,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,942,167.77 : 407,912,741.86 = 85,210,406.92 : x
  2. Step 2: Convert to fraction form
    271,942,167.77/407,912,741.86 = 85,210,406.92/x
  3. Step 3: Cross multiply
    271,942,167.77x = 407,912,741.86 × 85,210,406.92
  4. Step 4: Simplify right side
    271,942,167.77x = 34,758,410,721,743,520
  5. Step 5: Solve for x
    x = 34,758,410,721,743,520/271,942,167.77
  6. Step 6: Final answer
    x = 127,815,450.64

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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.