Finding the Fourth Proportional to 68,824,912.82, 94,980,471.60 and 48,743,886.44
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Solution
The fourth proportional to 68,824,912.82, 94,980,471.60 and 48,743,886.44 is: 67,268,044.84
Step by Step Solution
- Step 1: Write the proportion equation
68,824,912.82 : 94,980,471.60 = 48,743,886.44 : x - Step 2: Convert to fraction form
68,824,912.82/94,980,471.60 = 48,743,886.44/x - Step 3: Cross multiply
68,824,912.82x = 94,980,471.60 × 48,743,886.44 - Step 4: Simplify right side
68,824,912.82x = 4,629,717,321,688,045 - Step 5: Solve for x
x = 4,629,717,321,688,045/68,824,912.82 - Step 6: Final answer
x = 67,268,044.84
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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.