Home / 228,364,498.28-315,143,318.84-123,942,570.96

Finding the Fourth Proportional to 228,364,498.28, 315,143,318.84 and 123,942,570.96

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Solution

The fourth proportional to 228,364,498.28, 315,143,318.84 and 123,942,570.96 is: 171,040,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,498.28 : 315,143,318.84 = 123,942,570.96 : x
  2. Step 2: Convert to fraction form
    228,364,498.28/315,143,318.84 = 123,942,570.96/x
  3. Step 3: Cross multiply
    228,364,498.28x = 315,143,318.84 × 123,942,570.96
  4. Step 4: Simplify right side
    228,364,498.28x = 39,059,673,157,896,600
  5. Step 5: Solve for x
    x = 39,059,673,157,896,600/228,364,498.28
  6. Step 6: Final answer
    x = 171,040,916.83

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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.