Finding the Fourth Proportional to 195,660,055.86, 270,014,231.69 and 107,557,766.88
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Solution
The fourth proportional to 195,660,055.86, 270,014,231.69 and 107,557,766.88 is: 148,431,562.38
Step by Step Solution
- Step 1: Write the proportion equation
195,660,055.86 : 270,014,231.69 = 107,557,766.88 : x - Step 2: Convert to fraction form
195,660,055.86/270,014,231.69 = 107,557,766.88/x - Step 3: Cross multiply
195,660,055.86x = 270,014,231.69 × 107,557,766.88 - Step 4: Simplify right side
195,660,055.86x = 29,042,127,785,857,540 - Step 5: Solve for x
x = 29,042,127,785,857,540/195,660,055.86 - Step 6: Final answer
x = 148,431,562.38
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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.