Home / 245,332,682.92-368,002,229.76-81,570,439.48

Finding the Fourth Proportional to 245,332,682.92, 368,002,229.76 and 81,570,439.48

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Solution

The fourth proportional to 245,332,682.92, 368,002,229.76 and 81,570,439.48 is: 122,356,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,682.92 : 368,002,229.76 = 81,570,439.48 : x
  2. Step 2: Convert to fraction form
    245,332,682.92/368,002,229.76 = 81,570,439.48/x
  3. Step 3: Cross multiply
    245,332,682.92x = 368,002,229.76 × 81,570,439.48
  4. Step 4: Simplify right side
    245,332,682.92x = 30,018,103,611,143,136
  5. Step 5: Solve for x
    x = 30,018,103,611,143,136/245,332,682.92
  6. Step 6: Final answer
    x = 122,356,724.97

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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.