Finding the Fourth Proportional to 90,715,091.13, 136,073,177.97 and 22,557,782.88
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Solution
The fourth proportional to 90,715,091.13, 136,073,177.97 and 22,557,782.88 is: 33,836,808.92
Step by Step Solution
- Step 1: Write the proportion equation
90,715,091.13 : 136,073,177.97 = 22,557,782.88 : x - Step 2: Convert to fraction form
90,715,091.13/136,073,177.97 = 22,557,782.88/x - Step 3: Cross multiply
90,715,091.13x = 136,073,177.97 × 22,557,782.88 - Step 4: Simplify right side
90,715,091.13x = 3,069,509,204,438,859 - Step 5: Solve for x
x = 3,069,509,204,438,859/90,715,091.13 - Step 6: Final answer
x = 33,836,808.92
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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.