Finding the Fourth Proportional to 86,910,173.26, 119,906,376.58 and 53,858,362.80
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Solution
The fourth proportional to 86,910,173.26, 119,906,376.58 and 53,858,362.80 is: 74,306,158.76
Step by Step Solution
- Step 1: Write the proportion equation
86,910,173.26 : 119,906,376.58 = 53,858,362.80 : x - Step 2: Convert to fraction form
86,910,173.26/119,906,376.58 = 53,858,362.80/x - Step 3: Cross multiply
86,910,173.26x = 119,906,376.58 × 53,858,362.80 - Step 4: Simplify right side
86,910,173.26x = 6,457,961,131,879,063 - Step 5: Solve for x
x = 6,457,961,131,879,063/86,910,173.26 - Step 6: Final answer
x = 74,306,158.76
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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.