Home / 80,629,866-111,278,661.44-45,827,787.80

Finding the Fourth Proportional to 80,629,866, 111,278,661.44 and 45,827,787.80

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Solution

The fourth proportional to 80,629,866, 111,278,661.44 and 45,827,787.80 is: 63,247,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,866 : 111,278,661.44 = 45,827,787.80 : x
  2. Step 2: Convert to fraction form
    80,629,866/111,278,661.44 = 45,827,787.80/x
  3. Step 3: Cross multiply
    80,629,866x = 111,278,661.44 × 45,827,787.80
  4. Step 4: Simplify right side
    80,629,866x = 5,099,654,883,140,362
  5. Step 5: Solve for x
    x = 5,099,654,883,140,362/80,629,866
  6. Step 6: Final answer
    x = 63,247,716.21

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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.