Finding the Fourth Proportional to 195,317,567.06, 269,415,639.35 and 115,876,385.49
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Solution
The fourth proportional to 195,317,567.06, 269,415,639.35 and 115,876,385.49 is: 159,836,674.97
Step by Step Solution
- Step 1: Write the proportion equation
195,317,567.06 : 269,415,639.35 = 115,876,385.49 : x - Step 2: Convert to fraction form
195,317,567.06/269,415,639.35 = 115,876,385.49/x - Step 3: Cross multiply
195,317,567.06x = 269,415,639.35 × 115,876,385.49 - Step 4: Simplify right side
195,317,567.06x = 31,218,910,481,776,032 - Step 5: Solve for x
x = 31,218,910,481,776,032/195,317,567.06 - Step 6: Final answer
x = 159,836,674.97
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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.