Finding the Fourth Proportional to 206,427,140.36, 284,863,724.34 and 117,135,349.64
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Solution
The fourth proportional to 206,427,140.36, 284,863,724.34 and 117,135,349.64 is: 161,643,531.43
Step by Step Solution
- Step 1: Write the proportion equation
206,427,140.36 : 284,863,724.34 = 117,135,349.64 : x - Step 2: Convert to fraction form
206,427,140.36/284,863,724.34 = 117,135,349.64/x - Step 3: Cross multiply
206,427,140.36x = 284,863,724.34 × 117,135,349.64 - Step 4: Simplify right side
206,427,140.36x = 33,367,611,950,318,476 - Step 5: Solve for x
x = 33,367,611,950,318,476/206,427,140.36 - Step 6: Final answer
x = 161,643,531.43
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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.