Home / 102,976,204.56-142,067,112.21-58,311,923.70

Finding the Fourth Proportional to 102,976,204.56, 142,067,112.21 and 58,311,923.70

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Solution

The fourth proportional to 102,976,204.56, 142,067,112.21 and 58,311,923.70 is: 80,447,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976,204.56 : 142,067,112.21 = 58,311,923.70 : x
  2. Step 2: Convert to fraction form
    102,976,204.56/142,067,112.21 = 58,311,923.70/x
  3. Step 3: Cross multiply
    102,976,204.56x = 142,067,112.21 × 58,311,923.70
  4. Step 4: Simplify right side
    102,976,204.56x = 8,284,206,607,468,859
  5. Step 5: Solve for x
    x = 8,284,206,607,468,859/102,976,204.56
  6. Step 6: Final answer
    x = 80,447,775.71

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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.