Finding the Fourth Proportional to 212,183,114.21, 318,274,685.89 and 58,829,174.90
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Solution
The fourth proportional to 212,183,114.21, 318,274,685.89 and 58,829,174.90 is: 88,243,766.39
Step by Step Solution
- Step 1: Write the proportion equation
212,183,114.21 : 318,274,685.89 = 58,829,174.90 : x - Step 2: Convert to fraction form
212,183,114.21/318,274,685.89 = 58,829,174.90/x - Step 3: Cross multiply
212,183,114.21x = 318,274,685.89 × 58,829,174.90 - Step 4: Simplify right side
212,183,114.21x = 18,723,837,162,465,372 - Step 5: Solve for x
x = 18,723,837,162,465,372/212,183,114.21 - Step 6: Final answer
x = 88,243,766.39
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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.