Home / 102,981,560.94-141,979,323.38-74,314,351.32

Finding the Fourth Proportional to 102,981,560.94, 141,979,323.38 and 74,314,351.32

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Solution

The fourth proportional to 102,981,560.94, 141,979,323.38 and 74,314,351.32 is: 102,456,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,981,560.94 : 141,979,323.38 = 74,314,351.32 : x
  2. Step 2: Convert to fraction form
    102,981,560.94/141,979,323.38 = 74,314,351.32/x
  3. Step 3: Cross multiply
    102,981,560.94x = 141,979,323.38 × 74,314,351.32
  4. Step 4: Simplify right side
    102,981,560.94x = 10,551,101,317,837,208
  5. Step 5: Solve for x
    x = 10,551,101,317,837,208/102,981,560.94
  6. Step 6: Final answer
    x = 102,456,218.58

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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.