Finding the Fourth Proportional to 212,218,230.57, 318,327,326.42 and 58,864,293.69
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Solution
The fourth proportional to 212,218,230.57, 318,327,326.42 and 58,864,293.69 is: 88,296,435.14
Step by Step Solution
- Step 1: Write the proportion equation
212,218,230.57 : 318,327,326.42 = 58,864,293.69 : x - Step 2: Convert to fraction form
212,218,230.57/318,327,326.42 = 58,864,293.69/x - Step 3: Cross multiply
212,218,230.57x = 318,327,326.42 × 58,864,293.69 - Step 4: Simplify right side
212,218,230.57x = 18,738,113,231,645,056 - Step 5: Solve for x
x = 18,738,113,231,645,056/212,218,230.57 - Step 6: Final answer
x = 88,296,435.14
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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.