Finding the Fourth Proportional to 41,780,257.18, 57,655,631.79 and 25,044,450.05
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Solution
The fourth proportional to 41,780,257.18, 57,655,631.79 and 25,044,450.05 is: 34,560,667.83
Step by Step Solution
- Step 1: Write the proportion equation
41,780,257.18 : 57,655,631.79 = 25,044,450.05 : x - Step 2: Convert to fraction form
41,780,257.18/57,655,631.79 = 25,044,450.05/x - Step 3: Cross multiply
41,780,257.18x = 57,655,631.79 × 25,044,450.05 - Step 4: Simplify right side
41,780,257.18x = 1,443,953,590,285,673.25 - Step 5: Solve for x
x = 1,443,953,590,285,673.25/41,780,257.18 - Step 6: Final answer
x = 34,560,667.83
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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.