Finding the Fourth Proportional to 212,321,405.82, 318,334,044.49 and 94,081,858.05
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Solution
The fourth proportional to 212,321,405.82, 318,334,044.49 and 94,081,858.05 is: 141,057,178.25
Step by Step Solution
- Step 1: Write the proportion equation
212,321,405.82 : 318,334,044.49 = 94,081,858.05 : x - Step 2: Convert to fraction form
212,321,405.82/318,334,044.49 = 94,081,858.05/x - Step 3: Cross multiply
212,321,405.82x = 318,334,044.49 × 94,081,858.05 - Step 4: Simplify right side
212,321,405.82x = 29,949,458,386,190,564 - Step 5: Solve for x
x = 29,949,458,386,190,564/212,321,405.82 - Step 6: Final answer
x = 141,057,178.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.