Finding the Fourth Proportional to 68,098,554.09, 93,978,074.75 and 38,734,110.09
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Solution
The fourth proportional to 68,098,554.09, 93,978,074.75 and 38,734,110.09 is: 53,454,249.39
Step by Step Solution
- Step 1: Write the proportion equation
68,098,554.09 : 93,978,074.75 = 38,734,110.09 : x - Step 2: Convert to fraction form
68,098,554.09/93,978,074.75 = 38,734,110.09/x - Step 3: Cross multiply
68,098,554.09x = 93,978,074.75 × 38,734,110.09 - Step 4: Simplify right side
68,098,554.09x = 3,640,157,093,219,079 - Step 5: Solve for x
x = 3,640,157,093,219,079/68,098,554.09 - Step 6: Final answer
x = 53,454,249.39
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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.