Finding the Fourth Proportional to 61,245,799.18, 91,886,634.75 and 18,116,151.09
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Solution
The fourth proportional to 61,245,799.18, 91,886,634.75 and 18,116,151.09 is: 27,179,531.99
Step by Step Solution
- Step 1: Write the proportion equation
61,245,799.18 : 91,886,634.75 = 18,116,151.09 : x - Step 2: Convert to fraction form
61,245,799.18/91,886,634.75 = 18,116,151.09/x - Step 3: Cross multiply
61,245,799.18x = 91,886,634.75 × 18,116,151.09 - Step 4: Simplify right side
61,245,799.18x = 1,664,632,157,904,119.75 - Step 5: Solve for x
x = 1,664,632,157,904,119.75/61,245,799.18 - Step 6: Final answer
x = 27,179,531.99
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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.