Finding the Fourth Proportional to 112,586,993,806.63, 155,373,085,563.52 and 66,240,656,197.11
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Solution
The fourth proportional to 112,586,993,806.63, 155,373,085,563.52 and 66,240,656,197.11 is: 91,413,890,673.50
Step by Step Solution
- Step 1: Write the proportion equation
112,586,993,806.63 : 155,373,085,563.52 = 66,240,656,197.11 : x - Step 2: Convert to fraction form
112,586,993,806.63/155,373,085,563.52 = 66,240,656,197.11/x - Step 3: Cross multiply
112,586,993,806.63x = 155,373,085,563.52 × 66,240,656,197.11 - Step 4: Simplify right side
112,586,993,806.63x = 10,292,015,143,097,282,330,624 - Step 5: Solve for x
x = 10,292,015,143,097,282,330,624/112,586,993,806.63 - Step 6: Final answer
x = 91,413,890,673.50
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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.