Finding the Fourth Proportional to 128,466,906.75, 177,284,474.91 and 69,729,556.14
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Solution
The fourth proportional to 128,466,906.75, 177,284,474.91 and 69,729,556.14 is: 96,226,865.41
Step by Step Solution
- Step 1: Write the proportion equation
128,466,906.75 : 177,284,474.91 = 69,729,556.14 : x - Step 2: Convert to fraction form
128,466,906.75/177,284,474.91 = 69,729,556.14/x - Step 3: Cross multiply
128,466,906.75x = 177,284,474.91 × 69,729,556.14 - Step 4: Simplify right side
128,466,906.75x = 12,361,967,745,987,266 - Step 5: Solve for x
x = 12,361,967,745,987,266/128,466,906.75 - Step 6: Final answer
x = 96,226,865.41
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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.