Finding the Fourth Proportional to 331,159,145.30, 496,738,717.95 and 201,700,117.70
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Solution
The fourth proportional to 331,159,145.30, 496,738,717.95 and 201,700,117.70 is: 302,550,176.55
Step by Step Solution
- Step 1: Write the proportion equation
331,159,145.30 : 496,738,717.95 = 201,700,117.70 : x - Step 2: Convert to fraction form
331,159,145.30/496,738,717.95 = 201,700,117.70/x - Step 3: Cross multiply
331,159,145.30x = 496,738,717.95 × 201,700,117.70 - Step 4: Simplify right side
331,159,145.30x = 100,192,257,876,662,096 - Step 5: Solve for x
x = 100,192,257,876,662,096/331,159,145.30 - Step 6: Final answer
x = 302,550,176.55
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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.