Finding the Fourth Proportional to 217,161,331.83, 325,739,154.63 and 53,400,501.99
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Solution
The fourth proportional to 217,161,331.83, 325,739,154.63 and 53,400,501.99 is: 80,100,053.86
Step by Step Solution
- Step 1: Write the proportion equation
217,161,331.83 : 325,739,154.63 = 53,400,501.99 : x - Step 2: Convert to fraction form
217,161,331.83/325,739,154.63 = 53,400,501.99/x - Step 3: Cross multiply
217,161,331.83x = 325,739,154.63 × 53,400,501.99 - Step 4: Simplify right side
217,161,331.83x = 17,394,634,375,040,234 - Step 5: Solve for x
x = 17,394,634,375,040,234/217,161,331.83 - Step 6: Final answer
x = 80,100,053.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.