Finding the Fourth Proportional to 203,993,360.67, 281,511,791.05 and 115,892,192.70
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Solution
The fourth proportional to 203,993,360.67, 281,511,791.05 and 115,892,192.70 is: 159,931,767.53
Step by Step Solution
- Step 1: Write the proportion equation
203,993,360.67 : 281,511,791.05 = 115,892,192.70 : x - Step 2: Convert to fraction form
203,993,360.67/281,511,791.05 = 115,892,192.70/x - Step 3: Cross multiply
203,993,360.67x = 281,511,791.05 × 115,892,192.70 - Step 4: Simplify right side
203,993,360.67x = 32,625,018,735,688,736 - Step 5: Solve for x
x = 32,625,018,735,688,736/203,993,360.67 - Step 6: Final answer
x = 159,931,767.53
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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.