Finding the Fourth Proportional to 201,062,414.70, 301,629,051.45 and 71,745,104.70
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Solution
The fourth proportional to 201,062,414.70, 301,629,051.45 and 71,745,104.70 is: 107,630,299.32
Step by Step Solution
- Step 1: Write the proportion equation
201,062,414.70 : 301,629,051.45 = 71,745,104.70 : x - Step 2: Convert to fraction form
201,062,414.70/301,629,051.45 = 71,745,104.70/x - Step 3: Cross multiply
201,062,414.70x = 301,629,051.45 × 71,745,104.70 - Step 4: Simplify right side
201,062,414.70x = 21,640,407,876,841,936 - Step 5: Solve for x
x = 21,640,407,876,841,936/201,062,414.70 - Step 6: Final answer
x = 107,630,299.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.