Home / 228,376,251.28-315,158,431.29-123,954,323.48

Finding the Fourth Proportional to 228,376,251.28, 315,158,431.29 and 123,954,323.48

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Solution

The fourth proportional to 228,376,251.28, 315,158,431.29 and 123,954,323.48 is: 171,056,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,376,251.28 : 315,158,431.29 = 123,954,323.48 : x
  2. Step 2: Convert to fraction form
    228,376,251.28/315,158,431.29 = 123,954,323.48/x
  3. Step 3: Cross multiply
    228,376,251.28x = 315,158,431.29 × 123,954,323.48
  4. Step 4: Simplify right side
    228,376,251.28x = 39,065,250,139,570,016
  5. Step 5: Solve for x
    x = 39,065,250,139,570,016/228,376,251.28
  6. Step 6: Final answer
    x = 171,056,534.65

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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.