Home / 228,327,954.40-315,092,579.16-123,906,025.57

Finding the Fourth Proportional to 228,327,954.40, 315,092,579.16 and 123,906,025.57

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Solution

The fourth proportional to 228,327,954.40, 315,092,579.16 and 123,906,025.57 is: 170,990,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327,954.40 : 315,092,579.16 = 123,906,025.57 : x
  2. Step 2: Convert to fraction form
    228,327,954.40/315,092,579.16 = 123,906,025.57/x
  3. Step 3: Cross multiply
    228,327,954.40x = 315,092,579.16 × 123,906,025.57
  4. Step 4: Simplify right side
    228,327,954.40x = 39,041,869,170,316,208
  5. Step 5: Solve for x
    x = 39,041,869,170,316,208/228,327,954.40
  6. Step 6: Final answer
    x = 170,990,316.42

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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.