Finding the Fourth Proportional to 198,806,161.67, 274,349,887.41 and 109,496,390.99
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Solution
The fourth proportional to 198,806,161.67, 274,349,887.41 and 109,496,390.99 is: 151,103,578.92
Step by Step Solution
- Step 1: Write the proportion equation
198,806,161.67 : 274,349,887.41 = 109,496,390.99 : x - Step 2: Convert to fraction form
198,806,161.67/274,349,887.41 = 109,496,390.99/x - Step 3: Cross multiply
198,806,161.67x = 274,349,887.41 × 109,496,390.99 - Step 4: Simplify right side
198,806,161.67x = 30,040,322,539,921,064 - Step 5: Solve for x
x = 30,040,322,539,921,064/198,806,161.67 - Step 6: Final answer
x = 151,103,578.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.