Finding the Fourth Proportional to 35,601,369.07, 49,130,855.37 and 20,133,766.75
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Solution
The fourth proportional to 35,601,369.07, 49,130,855.37 and 20,133,766.75 is: 27,785,144.45
Step by Step Solution
- Step 1: Write the proportion equation
35,601,369.07 : 49,130,855.37 = 20,133,766.75 : x - Step 2: Convert to fraction form
35,601,369.07/49,130,855.37 = 20,133,766.75/x - Step 3: Cross multiply
35,601,369.07x = 49,130,855.37 × 20,133,766.75 - Step 4: Simplify right side
35,601,369.07x = 989,189,182,247,564.88 - Step 5: Solve for x
x = 989,189,182,247,564.88/35,601,369.07 - Step 6: Final answer
x = 27,785,144.45
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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.