Finding the Fourth Proportional to 109,087,367.79, 150,543,761.97 and 59,530,935.09
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Solution
The fourth proportional to 109,087,367.79, 150,543,761.97 and 59,530,935.09 is: 82,154,433.68
Step by Step Solution
- Step 1: Write the proportion equation
109,087,367.79 : 150,543,761.97 = 59,530,935.09 : x - Step 2: Convert to fraction form
109,087,367.79/150,543,761.97 = 59,530,935.09/x - Step 3: Cross multiply
109,087,367.79x = 150,543,761.97 × 59,530,935.09 - Step 4: Simplify right side
109,087,367.79x = 8,962,010,922,040,481 - Step 5: Solve for x
x = 8,962,010,922,040,481/109,087,367.79 - Step 6: Final answer
x = 82,154,433.68
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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.