Finding the Fourth Proportional to 68,728,258.38, 94,846,969.13 and 41,907,160.99
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Solution
The fourth proportional to 68,728,258.38, 94,846,969.13 and 41,907,160.99 is: 57,833,084.94
Step by Step Solution
- Step 1: Write the proportion equation
68,728,258.38 : 94,846,969.13 = 41,907,160.99 : x - Step 2: Convert to fraction form
68,728,258.38/94,846,969.13 = 41,907,160.99/x - Step 3: Cross multiply
68,728,258.38x = 94,846,969.13 × 41,907,160.99 - Step 4: Simplify right side
68,728,258.38x = 3,974,767,204,744,470 - Step 5: Solve for x
x = 3,974,767,204,744,470/68,728,258.38 - Step 6: Final answer
x = 57,833,084.94
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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.