Home / 304,143,741.41-419,726,616.08-172,004,497.92

Finding the Fourth Proportional to 304,143,741.41, 419,726,616.08 and 172,004,497.92

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Solution

The fourth proportional to 304,143,741.41, 419,726,616.08 and 172,004,497.92 is: 237,370,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,143,741.41 : 419,726,616.08 = 172,004,497.92 : x
  2. Step 2: Convert to fraction form
    304,143,741.41/419,726,616.08 = 172,004,497.92/x
  3. Step 3: Cross multiply
    304,143,741.41x = 419,726,616.08 × 172,004,497.92
  4. Step 4: Simplify right side
    304,143,741.41x = 72,194,865,861,640,976
  5. Step 5: Solve for x
    x = 72,194,865,861,640,976/304,143,741.41
  6. Step 6: Final answer
    x = 237,370,874.47

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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.