Finding the Fourth Proportional to 135,419,347.14, 186,935,905.98 and 91,425,935.35
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Solution
The fourth proportional to 135,419,347.14, 186,935,905.98 and 91,425,935.35 is: 126,206,413.01
Step by Step Solution
- Step 1: Write the proportion equation
135,419,347.14 : 186,935,905.98 = 91,425,935.35 : x - Step 2: Convert to fraction form
135,419,347.14/186,935,905.98 = 91,425,935.35/x - Step 3: Cross multiply
135,419,347.14x = 186,935,905.98 × 91,425,935.35 - Step 4: Simplify right side
135,419,347.14x = 17,090,790,054,264,028 - Step 5: Solve for x
x = 17,090,790,054,264,028/135,419,347.14 - Step 6: Final answer
x = 126,206,413.01
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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.