Finding the Fourth Proportional to 49,794,748.38, 68,717,052.27 and 27,769,638.24
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Solution
The fourth proportional to 49,794,748.38, 68,717,052.27 and 27,769,638.24 is: 38,322,267.80
Step by Step Solution
- Step 1: Write the proportion equation
49,794,748.38 : 68,717,052.27 = 27,769,638.24 : x - Step 2: Convert to fraction form
49,794,748.38/68,717,052.27 = 27,769,638.24/x - Step 3: Cross multiply
49,794,748.38x = 68,717,052.27 × 27,769,638.24 - Step 4: Simplify right side
49,794,748.38x = 1,908,247,682,457,070.50 - Step 5: Solve for x
x = 1,908,247,682,457,070.50/49,794,748.38 - Step 6: Final answer
x = 38,322,267.80
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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.