Home / 80,475,763.26-111,071,046.76-47,434,083.68

Finding the Fourth Proportional to 80,475,763.26, 111,071,046.76 and 47,434,083.68

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Solution

The fourth proportional to 80,475,763.26, 111,071,046.76 and 47,434,083.68 is: 65,467,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475,763.26 : 111,071,046.76 = 47,434,083.68 : x
  2. Step 2: Convert to fraction form
    80,475,763.26/111,071,046.76 = 47,434,083.68/x
  3. Step 3: Cross multiply
    80,475,763.26x = 111,071,046.76 × 47,434,083.68
  4. Step 4: Simplify right side
    80,475,763.26x = 5,268,553,326,439,033
  5. Step 5: Solve for x
    x = 5,268,553,326,439,033/80,475,763.26
  6. Step 6: Final answer
    x = 65,467,578.22

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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.