Finding the Fourth Proportional to 68,693,195.29, 103,039,268.04 and 17,575,132.09
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Solution
The fourth proportional to 68,693,195.29, 103,039,268.04 and 17,575,132.09 is: 26,362,563.84
Step by Step Solution
- Step 1: Write the proportion equation
68,693,195.29 : 103,039,268.04 = 17,575,132.09 : x - Step 2: Convert to fraction form
68,693,195.29/103,039,268.04 = 17,575,132.09/x - Step 3: Cross multiply
68,693,195.29x = 103,039,268.04 × 17,575,132.09 - Step 4: Simplify right side
68,693,195.29x = 1,810,928,746,259,915.50 - Step 5: Solve for x
x = 1,810,928,746,259,915.50/68,693,195.29 - Step 6: Final answer
x = 26,362,563.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.