Finding the Fourth Proportional to 235,356,135.39, 324,794,405.25 and 129,521,727
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Solution
The fourth proportional to 235,356,135.39, 324,794,405.25 and 129,521,727 is: 178,741,600.33
Step by Step Solution
- Step 1: Write the proportion equation
235,356,135.39 : 324,794,405.25 = 129,521,727 : x - Step 2: Convert to fraction form
235,356,135.39/324,794,405.25 = 129,521,727/x - Step 3: Cross multiply
235,356,135.39x = 324,794,405.25 × 129,521,727 - Step 4: Simplify right side
235,356,135.39x = 42,067,932,287,917,864 - Step 5: Solve for x
x = 42,067,932,287,917,864/235,356,135.39 - Step 6: Final answer
x = 178,741,600.33
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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.