Home / 228,327,939.81-315,092,559.09-123,906,011.07

Finding the Fourth Proportional to 228,327,939.81, 315,092,559.09 and 123,906,011.07

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Solution

The fourth proportional to 228,327,939.81, 315,092,559.09 and 123,906,011.07 is: 170,990,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327,939.81 : 315,092,559.09 = 123,906,011.07 : x
  2. Step 2: Convert to fraction form
    228,327,939.81/315,092,559.09 = 123,906,011.07/x
  3. Step 3: Cross multiply
    228,327,939.81x = 315,092,559.09 × 123,906,011.07
  4. Step 4: Simplify right side
    228,327,939.81x = 39,041,862,114,680,160
  5. Step 5: Solve for x
    x = 39,041,862,114,680,160/228,327,939.81
  6. Step 6: Final answer
    x = 170,990,296.44

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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.