Finding the Fourth Proportional to 115,653,338.07, 159,600,118.48 and 66,093,143.32
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Solution
The fourth proportional to 115,653,338.07, 159,600,118.48 and 66,093,143.32 is: 91,207,687.39
Step by Step Solution
- Step 1: Write the proportion equation
115,653,338.07 : 159,600,118.48 = 66,093,143.32 : x - Step 2: Convert to fraction form
115,653,338.07/159,600,118.48 = 66,093,143.32/x - Step 3: Cross multiply
115,653,338.07x = 159,600,118.48 × 66,093,143.32 - Step 4: Simplify right side
115,653,338.07x = 10,548,473,503,789,618 - Step 5: Solve for x
x = 10,548,473,503,789,618/115,653,338.07 - Step 6: Final answer
x = 91,207,687.39
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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.