Finding the Fourth Proportional to 212,326,082.88, 317,878,163.84 and 190,170,548.16
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Solution
The fourth proportional to 212,326,082.88, 317,878,163.84 and 190,170,548.16 is: 284,708,613.49
Step by Step Solution
- Step 1: Write the proportion equation
212,326,082.88 : 317,878,163.84 = 190,170,548.16 : x - Step 2: Convert to fraction form
212,326,082.88/317,878,163.84 = 190,170,548.16/x - Step 3: Cross multiply
212,326,082.88x = 317,878,163.84 × 190,170,548.16 - Step 4: Simplify right side
212,326,082.88x = 60,451,064,665,547,088 - Step 5: Solve for x
x = 60,451,064,665,547,088/212,326,082.88 - Step 6: Final answer
x = 284,708,613.49
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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.