Finding the Fourth Proportional to 41,313,354.26, 61,850,361.48 and 31,121,138.74
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Solution
The fourth proportional to 41,313,354.26, 61,850,361.48 and 31,121,138.74 is: 46,591,561.38
Step by Step Solution
- Step 1: Write the proportion equation
41,313,354.26 : 61,850,361.48 = 31,121,138.74 : x - Step 2: Convert to fraction form
41,313,354.26/61,850,361.48 = 31,121,138.74/x - Step 3: Cross multiply
41,313,354.26x = 61,850,361.48 × 31,121,138.74 - Step 4: Simplify right side
41,313,354.26x = 1,924,853,680,583,605.75 - Step 5: Solve for x
x = 1,924,853,680,583,605.75/41,313,354.26 - Step 6: Final answer
x = 46,591,561.38
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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.