Home / 228,583,244.73-315,471,046.22-128,138,810.97

Finding the Fourth Proportional to 228,583,244.73, 315,471,046.22 and 128,138,810.97

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Solution

The fourth proportional to 228,583,244.73, 315,471,046.22 and 128,138,810.97 is: 176,846,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,583,244.73 : 315,471,046.22 = 128,138,810.97 : x
  2. Step 2: Convert to fraction form
    228,583,244.73/315,471,046.22 = 128,138,810.97/x
  3. Step 3: Cross multiply
    228,583,244.73x = 315,471,046.22 × 128,138,810.97
  4. Step 4: Simplify right side
    228,583,244.73x = 40,424,084,757,452,016
  5. Step 5: Solve for x
    x = 40,424,084,757,452,016/228,583,244.73
  6. Step 6: Final answer
    x = 176,846,228.63

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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.