Finding the Fourth Proportional to 49,440,238.11, 68,221,257.57 and 27,107,347.05
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Solution
The fourth proportional to 49,440,238.11, 68,221,257.57 and 27,107,347.05 is: 37,404,700.62
Step by Step Solution
- Step 1: Write the proportion equation
49,440,238.11 : 68,221,257.57 = 27,107,347.05 : x - Step 2: Convert to fraction form
49,440,238.11/68,221,257.57 = 27,107,347.05/x - Step 3: Cross multiply
49,440,238.11x = 68,221,257.57 × 27,107,347.05 - Step 4: Simplify right side
49,440,238.11x = 1,849,297,305,137,429.50 - Step 5: Solve for x
x = 1,849,297,305,137,429.50/49,440,238.11 - Step 6: Final answer
x = 37,404,700.62
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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.