Finding the Fourth Proportional to 91,874,268.73, 126,789,361.41 and 52,723,207.09
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Solution
The fourth proportional to 91,874,268.73, 126,789,361.41 and 52,723,207.09 is: 72,759,673.09
Step by Step Solution
- Step 1: Write the proportion equation
91,874,268.73 : 126,789,361.41 = 52,723,207.09 : x - Step 2: Convert to fraction form
91,874,268.73/126,789,361.41 = 52,723,207.09/x - Step 3: Cross multiply
91,874,268.73x = 126,789,361.41 × 52,723,207.09 - Step 4: Simplify right side
91,874,268.73x = 6,684,741,758,487,652 - Step 5: Solve for x
x = 6,684,741,758,487,652/91,874,268.73 - Step 6: Final answer
x = 72,759,673.09
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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.