Finding the Fourth Proportional to 171,396,500.52, 236,599,554.96 and 115,717,350
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Solution
The fourth proportional to 171,396,500.52, 236,599,554.96 and 115,717,350 is: 159,738,812.80
Step by Step Solution
- Step 1: Write the proportion equation
171,396,500.52 : 236,599,554.96 = 115,717,350 : x - Step 2: Convert to fraction form
171,396,500.52/236,599,554.96 = 115,717,350/x - Step 3: Cross multiply
171,396,500.52x = 236,599,554.96 × 115,717,350 - Step 4: Simplify right side
171,396,500.52x = 27,378,673,511,150,556 - Step 5: Solve for x
x = 27,378,673,511,150,556/171,396,500.52 - Step 6: Final answer
x = 159,738,812.80
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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.