Finding the Fourth Proportional to 69,678,338.96, 96,161,486.64 and 41,802,093.20
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Solution
The fourth proportional to 69,678,338.96, 96,161,486.64 and 41,802,093.20 is: 57,690,115.56
Step by Step Solution
- Step 1: Write the proportion equation
69,678,338.96 : 96,161,486.64 = 41,802,093.20 : x - Step 2: Convert to fraction form
69,678,338.96/96,161,486.64 = 41,802,093.20/x - Step 3: Cross multiply
69,678,338.96x = 96,161,486.64 × 41,802,093.20 - Step 4: Simplify right side
69,678,338.96x = 4,019,751,426,775,835 - Step 5: Solve for x
x = 4,019,751,426,775,835/69,678,338.96 - Step 6: Final answer
x = 57,690,115.56
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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.