Finding the Fourth Proportional to 212,744,732.44, 318,462,586.08 and 138,809,311.24
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Solution
The fourth proportional to 212,744,732.44, 318,462,586.08 and 138,809,311.24 is: 207,786,917.79
Step by Step Solution
- Step 1: Write the proportion equation
212,744,732.44 : 318,462,586.08 = 138,809,311.24 : x - Step 2: Convert to fraction form
212,744,732.44/318,462,586.08 = 138,809,311.24/x - Step 3: Cross multiply
212,744,732.44x = 318,462,586.08 × 138,809,311.24 - Step 4: Simplify right side
212,744,732.44x = 44,205,572,229,474,016 - Step 5: Solve for x
x = 44,205,572,229,474,016/212,744,732.44 - Step 6: Final answer
x = 207,786,917.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.