Finding the Fourth Proportional to 35,601,372.07, 49,130,859.51 and 20,133,769.75
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Solution
The fourth proportional to 35,601,372.07, 49,130,859.51 and 20,133,769.75 is: 27,785,148.59
Step by Step Solution
- Step 1: Write the proportion equation
35,601,372.07 : 49,130,859.51 = 20,133,769.75 : x - Step 2: Convert to fraction form
35,601,372.07/49,130,859.51 = 20,133,769.75/x - Step 3: Cross multiply
35,601,372.07x = 49,130,859.51 × 20,133,769.75 - Step 4: Simplify right side
35,601,372.07x = 989,189,412,993,937.75 - Step 5: Solve for x
x = 989,189,412,993,937.75/35,601,372.07 - Step 6: Final answer
x = 27,785,148.59
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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.