Finding the Fourth Proportional to 213,310,270.08, 319,981,993.92 and 69,717,617.28
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Solution
The fourth proportional to 213,310,270.08, 319,981,993.92 and 69,717,617.28 is: 104,581,847.75
Step by Step Solution
- Step 1: Write the proportion equation
213,310,270.08 : 319,981,993.92 = 69,717,617.28 : x - Step 2: Convert to fraction form
213,310,270.08/319,981,993.92 = 69,717,617.28/x - Step 3: Cross multiply
213,310,270.08x = 319,981,993.92 × 69,717,617.28 - Step 4: Simplify right side
213,310,270.08x = 22,308,382,188,605,848 - Step 5: Solve for x
x = 22,308,382,188,605,848/213,310,270.08 - Step 6: Final answer
x = 104,581,847.75
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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.