Finding the Fourth Proportional to 102,267,107.49, 152,840,300.79 and 74,659,163.22
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Solution
The fourth proportional to 102,267,107.49, 152,840,300.79 and 74,659,163.22 is: 111,579,658.83
Step by Step Solution
- Step 1: Write the proportion equation
102,267,107.49 : 152,840,300.79 = 74,659,163.22 : x - Step 2: Convert to fraction form
102,267,107.49/152,840,300.79 = 74,659,163.22/x - Step 3: Cross multiply
102,267,107.49x = 152,840,300.79 × 74,659,163.22 - Step 4: Simplify right side
102,267,107.49x = 11,410,928,963,274,504 - Step 5: Solve for x
x = 11,410,928,963,274,504/102,267,107.49 - Step 6: Final answer
x = 111,579,658.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.