Finding the Fourth Proportional to 136,837,635.57, 205,254,741.42 and 33,207,699.47
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Solution
The fourth proportional to 136,837,635.57, 205,254,741.42 and 33,207,699.47 is: 49,811,133.75
Step by Step Solution
- Step 1: Write the proportion equation
136,837,635.57 : 205,254,741.42 = 33,207,699.47 : x - Step 2: Convert to fraction form
136,837,635.57/205,254,741.42 = 33,207,699.47/x - Step 3: Cross multiply
136,837,635.57x = 205,254,741.42 × 33,207,699.47 - Step 4: Simplify right side
136,837,635.57x = 6,816,037,766,841,647 - Step 5: Solve for x
x = 6,816,037,766,841,647/136,837,635.57 - Step 6: Final answer
x = 49,811,133.75
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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.