Finding the Fourth Proportional to 99,647,677.20, 149,471,515.80 and 27,844,093.20
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Solution
The fourth proportional to 99,647,677.20, 149,471,515.80 and 27,844,093.20 is: 41,766,139.80
Step by Step Solution
- Step 1: Write the proportion equation
99,647,677.20 : 149,471,515.80 = 27,844,093.20 : x - Step 2: Convert to fraction form
99,647,677.20/149,471,515.80 = 27,844,093.20/x - Step 3: Cross multiply
99,647,677.20x = 149,471,515.80 × 27,844,093.20 - Step 4: Simplify right side
99,647,677.20x = 4,161,898,816,680,473 - Step 5: Solve for x
x = 4,161,898,816,680,473/99,647,677.20 - Step 6: Final answer
x = 41,766,139.80
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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.