Finding the Fourth Proportional to 170,270,087.93, 234,972,712.35 and 91,953,633.88
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Solution
The fourth proportional to 170,270,087.93, 234,972,712.35 and 91,953,633.88 is: 126,896,009.89
Step by Step Solution
- Step 1: Write the proportion equation
170,270,087.93 : 234,972,712.35 = 91,953,633.88 : x - Step 2: Convert to fraction form
170,270,087.93/234,972,712.35 = 91,953,633.88/x - Step 3: Cross multiply
170,270,087.93x = 234,972,712.35 × 91,953,633.88 - Step 4: Simplify right side
170,270,087.93x = 21,606,594,761,587,824 - Step 5: Solve for x
x = 21,606,594,761,587,824/170,270,087.93 - Step 6: Final answer
x = 126,896,009.89
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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.