Home / 191,661,660-287,377,344.41-74,937,954.39

Finding the Fourth Proportional to 191,661,660, 287,377,344.41 and 74,937,954.39

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Solution

The fourth proportional to 191,661,660, 287,377,344.41 and 74,937,954.39 is: 112,361,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,661,660 : 287,377,344.41 = 74,937,954.39 : x
  2. Step 2: Convert to fraction form
    191,661,660/287,377,344.41 = 74,937,954.39/x
  3. Step 3: Cross multiply
    191,661,660x = 287,377,344.41 × 74,937,954.39
  4. Step 4: Simplify right side
    191,661,660x = 21,535,470,327,741,208
  5. Step 5: Solve for x
    x = 21,535,470,327,741,208/191,661,660
  6. Step 6: Final answer
    x = 112,361,910.71

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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.