Finding the Fourth Proportional to 91,167,544.80, 136,751,317.20 and 27,342,136.80
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Solution
The fourth proportional to 91,167,544.80, 136,751,317.20 and 27,342,136.80 is: 41,013,205.20
Step by Step Solution
- Step 1: Write the proportion equation
91,167,544.80 : 136,751,317.20 = 27,342,136.80 : x - Step 2: Convert to fraction form
91,167,544.80/136,751,317.20 = 27,342,136.80/x - Step 3: Cross multiply
91,167,544.80x = 136,751,317.20 × 27,342,136.80 - Step 4: Simplify right side
91,167,544.80x = 3,739,073,222,462,592.50 - Step 5: Solve for x
x = 3,739,073,222,462,592.50/91,167,544.80 - Step 6: Final answer
x = 41,013,205.20
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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.