Finding the Fourth Proportional to 84,347,351.63, 126,526,578.78 and 22,100,190.12
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Solution
The fourth proportional to 84,347,351.63, 126,526,578.78 and 22,100,190.12 is: 33,151,739.71
Step by Step Solution
- Step 1: Write the proportion equation
84,347,351.63 : 126,526,578.78 = 22,100,190.12 : x - Step 2: Convert to fraction form
84,347,351.63/126,526,578.78 = 22,100,190.12/x - Step 3: Cross multiply
84,347,351.63x = 126,526,578.78 × 22,100,190.12 - Step 4: Simplify right side
84,347,351.63x = 2,796,261,446,271,158 - Step 5: Solve for x
x = 2,796,261,446,271,158/84,347,351.63 - Step 6: Final answer
x = 33,151,739.71
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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.