Finding the Fourth Proportional to 194,040,388.97, 290,917,093.74 and 117,346,366.79
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Solution
The fourth proportional to 194,040,388.97, 290,917,093.74 and 117,346,366.79 is: 175,932,774.45
Step by Step Solution
- Step 1: Write the proportion equation
194,040,388.97 : 290,917,093.74 = 117,346,366.79 : x - Step 2: Convert to fraction form
194,040,388.97/290,917,093.74 = 117,346,366.79/x - Step 3: Cross multiply
194,040,388.97x = 290,917,093.74 × 117,346,366.79 - Step 4: Simplify right side
194,040,388.97x = 34,138,063,987,494,856 - Step 5: Solve for x
x = 34,138,063,987,494,856/194,040,388.97 - Step 6: Final answer
x = 175,932,774.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.