Finding the Fourth Proportional to 68,482,496.21, 94,505,836.61 and 37,542,884.09
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Solution
The fourth proportional to 68,482,496.21, 94,505,836.61 and 37,542,884.09 is: 51,809,175.57
Step by Step Solution
- Step 1: Write the proportion equation
68,482,496.21 : 94,505,836.61 = 37,542,884.09 : x - Step 2: Convert to fraction form
68,482,496.21/94,505,836.61 = 37,542,884.09/x - Step 3: Cross multiply
68,482,496.21x = 94,505,836.61 × 37,542,884.09 - Step 4: Simplify right side
68,482,496.21x = 3,548,021,669,299,036.50 - Step 5: Solve for x
x = 3,548,021,669,299,036.50/68,482,496.21 - Step 6: Final answer
x = 51,809,175.57
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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.