Home / 274,493,289.68-411,753,176.40-90,256,686.56

Finding the Fourth Proportional to 274,493,289.68, 411,753,176.40 and 90,256,686.56

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Solution

The fourth proportional to 274,493,289.68, 411,753,176.40 and 90,256,686.56 is: 135,389,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,493,289.68 : 411,753,176.40 = 90,256,686.56 : x
  2. Step 2: Convert to fraction form
    274,493,289.68/411,753,176.40 = 90,256,686.56/x
  3. Step 3: Cross multiply
    274,493,289.68x = 411,753,176.40 × 90,256,686.56
  4. Step 4: Simplify right side
    274,493,289.68x = 37,163,477,382,419,192
  5. Step 5: Solve for x
    x = 37,163,477,382,419,192/274,493,289.68
  6. Step 6: Final answer
    x = 135,389,383.93

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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.