Home / 220,683,025.92-304,520,773.12-122,906,979.84

Finding the Fourth Proportional to 220,683,025.92, 304,520,773.12 and 122,906,979.84

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Solution

The fourth proportional to 220,683,025.92, 304,520,773.12 and 122,906,979.84 is: 169,599,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,683,025.92 : 304,520,773.12 = 122,906,979.84 : x
  2. Step 2: Convert to fraction form
    220,683,025.92/304,520,773.12 = 122,906,979.84/x
  3. Step 3: Cross multiply
    220,683,025.92x = 304,520,773.12 × 122,906,979.84
  4. Step 4: Simplify right side
    220,683,025.92x = 37,427,728,522,721,056
  5. Step 5: Solve for x
    x = 37,427,728,522,721,056/220,683,025.92
  6. Step 6: Final answer
    x = 169,599,489.43

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1.5x scale

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.