Home / 128,770,583.71-193,157,043.22-36,654,285.56

Finding the Fourth Proportional to 128,770,583.71, 193,157,043.22 and 36,654,285.56

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Solution

The fourth proportional to 128,770,583.71, 193,157,043.22 and 36,654,285.56 is: 54,981,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,770,583.71 : 193,157,043.22 = 36,654,285.56 : x
  2. Step 2: Convert to fraction form
    128,770,583.71/193,157,043.22 = 36,654,285.56/x
  3. Step 3: Cross multiply
    128,770,583.71x = 193,157,043.22 × 36,654,285.56
  4. Step 4: Simplify right side
    128,770,583.71x = 7,080,033,420,277,683
  5. Step 5: Solve for x
    x = 7,080,033,420,277,683/128,770,583.71
  6. Step 6: Final answer
    x = 54,981,760.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.