Finding the Fourth Proportional to 183,221,431.82, 252,847,268.68 and 99,589,759.17
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Solution
The fourth proportional to 183,221,431.82, 252,847,268.68 and 99,589,759.17 is: 137,434,787.75
Step by Step Solution
- Step 1: Write the proportion equation
183,221,431.82 : 252,847,268.68 = 99,589,759.17 : x - Step 2: Convert to fraction form
183,221,431.82/252,847,268.68 = 99,589,759.17/x - Step 3: Cross multiply
183,221,431.82x = 252,847,268.68 × 99,589,759.17 - Step 4: Simplify right side
183,221,431.82x = 25,180,998,593,622,564 - Step 5: Solve for x
x = 25,180,998,593,622,564/183,221,431.82 - Step 6: Final answer
x = 137,434,787.75
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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.