Finding the Fourth Proportional to 163,193,353.09, 225,204,714.77 and 88,853,060.96
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Solution
The fourth proportional to 163,193,353.09, 225,204,714.77 and 88,853,060.96 is: 122,616,073.94
Step by Step Solution
- Step 1: Write the proportion equation
163,193,353.09 : 225,204,714.77 = 88,853,060.96 : x - Step 2: Convert to fraction form
163,193,353.09/225,204,714.77 = 88,853,060.96/x - Step 3: Cross multiply
163,193,353.09x = 225,204,714.77 × 88,853,060.96 - Step 4: Simplify right side
163,193,353.09x = 20,010,128,249,212,448 - Step 5: Solve for x
x = 20,010,128,249,212,448/163,193,353.09 - Step 6: Final answer
x = 122,616,073.94
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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.