Home / 80,629,914.48-111,278,728.44-45,827,836.44

Finding the Fourth Proportional to 80,629,914.48, 111,278,728.44 and 45,827,836.44

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Solution

The fourth proportional to 80,629,914.48, 111,278,728.44 and 45,827,836.44 is: 63,247,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,914.48 : 111,278,728.44 = 45,827,836.44 : x
  2. Step 2: Convert to fraction form
    80,629,914.48/111,278,728.44 = 45,827,836.44/x
  3. Step 3: Cross multiply
    80,629,914.48x = 111,278,728.44 × 45,827,836.44
  4. Step 4: Simplify right side
    80,629,914.48x = 5,099,663,366,199,496
  5. Step 5: Solve for x
    x = 5,099,663,366,199,496/80,629,914.48
  6. Step 6: Final answer
    x = 63,247,783.40

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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.