Finding the Fourth Proportional to 327,499,153.43, 491,402,135.30 and 161,412,118.13
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Solution
The fourth proportional to 327,499,153.43, 491,402,135.30 and 161,412,118.13 is: 242,193,784.88
Step by Step Solution
- Step 1: Write the proportion equation
327,499,153.43 : 491,402,135.30 = 161,412,118.13 : x - Step 2: Convert to fraction form
327,499,153.43/491,402,135.30 = 161,412,118.13/x - Step 3: Cross multiply
327,499,153.43x = 491,402,135.30 × 161,412,118.13 - Step 4: Simplify right side
327,499,153.43x = 79,318,259,512,799,280 - Step 5: Solve for x
x = 79,318,259,512,799,280/327,499,153.43 - Step 6: Final answer
x = 242,193,784.88
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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.