Finding the Fourth Proportional to 212,542,453.62, 293,299,523.64 and 118,451,593.80
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Solution
The fourth proportional to 212,542,453.62, 293,299,523.64 and 118,451,593.80 is: 163,458,148.92
Step by Step Solution
- Step 1: Write the proportion equation
212,542,453.62 : 293,299,523.64 = 118,451,593.80 : x - Step 2: Convert to fraction form
212,542,453.62/293,299,523.64 = 118,451,593.80/x - Step 3: Cross multiply
212,542,453.62x = 293,299,523.64 × 118,451,593.80 - Step 4: Simplify right side
212,542,453.62x = 34,741,796,035,938,776 - Step 5: Solve for x
x = 34,741,796,035,938,776/212,542,453.62 - Step 6: Final answer
x = 163,458,148.92
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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.