Home / 228,364,499.28-315,143,320.22-123,942,571.96

Finding the Fourth Proportional to 228,364,499.28, 315,143,320.22 and 123,942,571.96

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Solution

The fourth proportional to 228,364,499.28, 315,143,320.22 and 123,942,571.96 is: 171,040,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,499.28 : 315,143,320.22 = 123,942,571.96 : x
  2. Step 2: Convert to fraction form
    228,364,499.28/315,143,320.22 = 123,942,571.96/x
  3. Step 3: Cross multiply
    228,364,499.28x = 315,143,320.22 × 123,942,571.96
  4. Step 4: Simplify right side
    228,364,499.28x = 39,059,673,644,080,672
  5. Step 5: Solve for x
    x = 39,059,673,644,080,672/228,364,499.28
  6. Step 6: Final answer
    x = 171,040,918.21

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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.