Finding the Fourth Proportional to 135,115,107.08, 186,454,310.10 and 80,078,289.80
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Solution
The fourth proportional to 135,115,107.08, 186,454,310.10 and 80,078,289.80 is: 110,505,350.60
Step by Step Solution
- Step 1: Write the proportion equation
135,115,107.08 : 186,454,310.10 = 80,078,289.80 : x - Step 2: Convert to fraction form
135,115,107.08/186,454,310.10 = 80,078,289.80/x - Step 3: Cross multiply
135,115,107.08x = 186,454,310.10 × 80,078,289.80 - Step 4: Simplify right side
135,115,107.08x = 14,930,942,278,646,866 - Step 5: Solve for x
x = 14,930,942,278,646,866/135,115,107.08 - Step 6: Final answer
x = 110,505,350.60
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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.