Finding the Fourth Proportional to 136,875,798.16, 204,562,229.60 and 100,065,180.99
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Solution
The fourth proportional to 136,875,798.16, 204,562,229.60 and 100,065,180.99 is: 149,548,399.38
Step by Step Solution
- Step 1: Write the proportion equation
136,875,798.16 : 204,562,229.60 = 100,065,180.99 : x - Step 2: Convert to fraction form
136,875,798.16/204,562,229.60 = 100,065,180.99/x - Step 3: Cross multiply
136,875,798.16x = 204,562,229.60 × 100,065,180.99 - Step 4: Simplify right side
136,875,798.16x = 20,469,556,528,641,932 - Step 5: Solve for x
x = 20,469,556,528,641,932/136,875,798.16 - Step 6: Final answer
x = 149,548,399.38
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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.