Finding the Fourth Proportional to 203,618,307.84, 305,521,394.70 and 92,987,892.42
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Solution
The fourth proportional to 203,618,307.84, 305,521,394.70 and 92,987,892.42 is: 139,524,735.69
Step by Step Solution
- Step 1: Write the proportion equation
203,618,307.84 : 305,521,394.70 = 92,987,892.42 : x - Step 2: Convert to fraction form
203,618,307.84/305,521,394.70 = 92,987,892.42/x - Step 3: Cross multiply
203,618,307.84x = 305,521,394.70 × 92,987,892.42 - Step 4: Simplify right side
203,618,307.84x = 28,409,790,582,371,956 - Step 5: Solve for x
x = 28,409,790,582,371,956/203,618,307.84 - Step 6: Final answer
x = 139,524,735.69
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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.