Finding the Fourth Proportional to 116,555,044.70, 160,836,291.63 and 66,305,893.41
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Solution
The fourth proportional to 116,555,044.70, 160,836,291.63 and 66,305,893.41 is: 91,496,631.80
Step by Step Solution
- Step 1: Write the proportion equation
116,555,044.70 : 160,836,291.63 = 66,305,893.41 : x - Step 2: Convert to fraction form
116,555,044.70/160,836,291.63 = 66,305,893.41/x - Step 3: Cross multiply
116,555,044.70x = 160,836,291.63 × 66,305,893.41 - Step 4: Simplify right side
116,555,044.70x = 10,664,394,009,278,454 - Step 5: Solve for x
x = 10,664,394,009,278,454/116,555,044.70 - Step 6: Final answer
x = 91,496,631.80
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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.