Finding the Fourth Proportional to 235,786,725.92, 325,378,054.32 and 135,331,699.52
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Solution
The fourth proportional to 235,786,725.92, 325,378,054.32 and 135,331,699.52 is: 186,753,367.50
Step by Step Solution
- Step 1: Write the proportion equation
235,786,725.92 : 325,378,054.32 = 135,331,699.52 : x - Step 2: Convert to fraction form
235,786,725.92/325,378,054.32 = 135,331,699.52/x - Step 3: Cross multiply
235,786,725.92x = 325,378,054.32 × 135,331,699.52 - Step 4: Simplify right side
235,786,725.92x = 44,033,965,077,636,480 - Step 5: Solve for x
x = 44,033,965,077,636,480/235,786,725.92 - Step 6: Final answer
x = 186,753,367.50
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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.