Finding the Fourth Proportional to 198,144,394.15, 273,431,772.78 and 110,044,066.94
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Solution
The fourth proportional to 198,144,394.15, 273,431,772.78 and 110,044,066.94 is: 151,856,651.99
Step by Step Solution
- Step 1: Write the proportion equation
198,144,394.15 : 273,431,772.78 = 110,044,066.94 : x - Step 2: Convert to fraction form
198,144,394.15/273,431,772.78 = 110,044,066.94/x - Step 3: Cross multiply
198,144,394.15x = 273,431,772.78 × 110,044,066.94 - Step 4: Simplify right side
198,144,394.15x = 30,089,544,306,302,980 - Step 5: Solve for x
x = 30,089,544,306,302,980/198,144,394.15 - Step 6: Final answer
x = 151,856,651.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.