Finding the Fourth Proportional to 199,512,906.60, 298,672,163.10 and 178,013,821.80
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Solution
The fourth proportional to 199,512,906.60, 298,672,163.10 and 178,013,821.80 is: 266,487,888.55
Step by Step Solution
- Step 1: Write the proportion equation
199,512,906.60 : 298,672,163.10 = 178,013,821.80 : x - Step 2: Convert to fraction form
199,512,906.60/298,672,163.10 = 178,013,821.80/x - Step 3: Cross multiply
199,512,906.60x = 298,672,163.10 × 178,013,821.80 - Step 4: Simplify right side
199,512,906.60x = 53,167,773,218,703,944 - Step 5: Solve for x
x = 53,167,773,218,703,944/199,512,906.60 - Step 6: Final answer
x = 266,487,888.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.