Finding the Fourth Proportional to 71,933,912.48, 99,246,136.20 and 44,027,530.58
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Solution
The fourth proportional to 71,933,912.48, 99,246,136.20 and 44,027,530.58 is: 60,744,121.18
Step by Step Solution
- Step 1: Write the proportion equation
71,933,912.48 : 99,246,136.20 = 44,027,530.58 : x - Step 2: Convert to fraction form
71,933,912.48/99,246,136.20 = 44,027,530.58/x - Step 3: Cross multiply
71,933,912.48x = 99,246,136.20 × 44,027,530.58 - Step 4: Simplify right side
71,933,912.48x = 4,369,562,296,492,345 - Step 5: Solve for x
x = 4,369,562,296,492,345/71,933,912.48 - Step 6: Final answer
x = 60,744,121.18
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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.