Finding the Fourth Proportional to 79,268,371.68, 118,874,020.80 and 27,438,891.96
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Solution
The fourth proportional to 79,268,371.68, 118,874,020.80 and 27,438,891.96 is: 41,148,459.90
Step by Step Solution
- Step 1: Write the proportion equation
79,268,371.68 : 118,874,020.80 = 27,438,891.96 : x - Step 2: Convert to fraction form
79,268,371.68/118,874,020.80 = 27,438,891.96/x - Step 3: Cross multiply
79,268,371.68x = 118,874,020.80 × 27,438,891.96 - Step 4: Simplify right side
79,268,371.68x = 3,261,771,413,581,993 - Step 5: Solve for x
x = 3,261,771,413,581,993/79,268,371.68 - Step 6: Final answer
x = 41,148,459.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.