Finding the Fourth Proportional to 99,647,619.20, 149,471,428.80 and 27,844,035.20
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Solution
The fourth proportional to 99,647,619.20, 149,471,428.80 and 27,844,035.20 is: 41,766,052.80
Step by Step Solution
- Step 1: Write the proportion equation
99,647,619.20 : 149,471,428.80 = 27,844,035.20 : x - Step 2: Convert to fraction form
99,647,619.20/149,471,428.80 = 27,844,035.20/x - Step 3: Cross multiply
99,647,619.20x = 149,471,428.80 × 27,844,035.20 - Step 4: Simplify right side
99,647,619.20x = 4,161,887,724,901,494 - Step 5: Solve for x
x = 4,161,887,724,901,494/99,647,619.20 - Step 6: Final answer
x = 41,766,052.80
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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.