Finding the Fourth Proportional to 80,881,130, 121,321,695 and 27,028,442
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Solution
The fourth proportional to 80,881,130, 121,321,695 and 27,028,442 is: 40,542,663
Step by Step Solution
- Step 1: Write the proportion equation
80,881,130 : 121,321,695 = 27,028,442 : x - Step 2: Convert to fraction form
80,881,130/121,321,695 = 27,028,442/x - Step 3: Cross multiply
80,881,130x = 121,321,695 × 27,028,442 - Step 4: Simplify right side
80,881,130x = 3,279,136,396,649,190 - Step 5: Solve for x
x = 3,279,136,396,649,190/80,881,130 - Step 6: Final answer
x = 40,542,663
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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.