Home / 81,844,834.08-112,945,880.80-45,175,414.80

Finding the Fourth Proportional to 81,844,834.08, 112,945,880.80 and 45,175,414.80

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Solution

The fourth proportional to 81,844,834.08, 112,945,880.80 and 45,175,414.80 is: 62,342,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844,834.08 : 112,945,880.80 = 45,175,414.80 : x
  2. Step 2: Convert to fraction form
    81,844,834.08/112,945,880.80 = 45,175,414.80/x
  3. Step 3: Cross multiply
    81,844,834.08x = 112,945,880.80 × 45,175,414.80
  4. Step 4: Simplify right side
    81,844,834.08x = 5,102,377,015,091,355
  5. Step 5: Solve for x
    x = 5,102,377,015,091,355/81,844,834.08
  6. Step 6: Final answer
    x = 62,342,077.82

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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.