Finding the Fourth Proportional to 199,098,170.73, 274,741,445.57 and 110,988,270.99
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Solution
The fourth proportional to 199,098,170.73, 274,741,445.57 and 110,988,270.99 is: 153,155,992.85
Step by Step Solution
- Step 1: Write the proportion equation
199,098,170.73 : 274,741,445.57 = 110,988,270.99 : x - Step 2: Convert to fraction form
199,098,170.73/274,741,445.57 = 110,988,270.99/x - Step 3: Cross multiply
199,098,170.73x = 274,741,445.57 × 110,988,270.99 - Step 4: Simplify right side
199,098,170.73x = 30,493,078,012,552,552 - Step 5: Solve for x
x = 30,493,078,012,552,552/199,098,170.73 - Step 6: Final answer
x = 153,155,992.85
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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.