Finding the Fourth Proportional to 171,397,658.20, 257,096,487.30 and 146,738,795.80
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Solution
The fourth proportional to 171,397,658.20, 257,096,487.30 and 146,738,795.80 is: 220,108,193.70
Step by Step Solution
- Step 1: Write the proportion equation
171,397,658.20 : 257,096,487.30 = 146,738,795.80 : x - Step 2: Convert to fraction form
171,397,658.20/257,096,487.30 = 146,738,795.80/x - Step 3: Cross multiply
171,397,658.20x = 257,096,487.30 × 146,738,795.80 - Step 4: Simplify right side
171,397,658.20x = 37,726,028,950,812,000 - Step 5: Solve for x
x = 37,726,028,950,812,000/171,397,658.20 - Step 6: Final answer
x = 220,108,193.70
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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.