Home / 80,993,069.10-121,494,990.84-28,464,387.56

Finding the Fourth Proportional to 80,993,069.10, 121,494,990.84 and 28,464,387.56

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Solution

The fourth proportional to 80,993,069.10, 121,494,990.84 and 28,464,387.56 is: 42,698,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,993,069.10 : 121,494,990.84 = 28,464,387.56 : x
  2. Step 2: Convert to fraction form
    80,993,069.10/121,494,990.84 = 28,464,387.56/x
  3. Step 3: Cross multiply
    80,993,069.10x = 121,494,990.84 × 28,464,387.56
  4. Step 4: Simplify right side
    80,993,069.10x = 3,458,280,505,868,410
  5. Step 5: Solve for x
    x = 3,458,280,505,868,410/80,993,069.10
  6. Step 6: Final answer
    x = 42,698,474.63

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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.