Finding the Fourth Proportional to 251,918,138.20, 377,877,207.30 and 237,569,231.20
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Solution
The fourth proportional to 251,918,138.20, 377,877,207.30 and 237,569,231.20 is: 356,353,846.80
Step by Step Solution
- Step 1: Write the proportion equation
251,918,138.20 : 377,877,207.30 = 237,569,231.20 : x - Step 2: Convert to fraction form
251,918,138.20/377,877,207.30 = 237,569,231.20/x - Step 3: Cross multiply
251,918,138.20x = 377,877,207.30 × 237,569,231.20 - Step 4: Simplify right side
251,918,138.20x = 89,771,997,626,264,032 - Step 5: Solve for x
x = 89,771,997,626,264,032/251,918,138.20 - Step 6: Final answer
x = 356,353,846.80
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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.