Finding the Fourth Proportional to 212,183,113.21, 318,274,684.39 and 58,829,173.90
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Solution
The fourth proportional to 212,183,113.21, 318,274,684.39 and 58,829,173.90 is: 88,243,764.89
Step by Step Solution
- Step 1: Write the proportion equation
212,183,113.21 : 318,274,684.39 = 58,829,173.90 : x - Step 2: Convert to fraction form
212,183,113.21/318,274,684.39 = 58,829,173.90/x - Step 3: Cross multiply
212,183,113.21x = 318,274,684.39 × 58,829,173.90 - Step 4: Simplify right side
212,183,113.21x = 18,723,836,755,224,776 - Step 5: Solve for x
x = 18,723,836,755,224,776/212,183,113.21 - Step 6: Final answer
x = 88,243,764.89
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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.