Finding the Fourth Proportional to 55,234,474.08, 76,256,231.76 and 49,105,938.84
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Solution
The fourth proportional to 55,234,474.08, 76,256,231.76 and 49,105,938.84 is: 67,795,229.62
Step by Step Solution
- Step 1: Write the proportion equation
55,234,474.08 : 76,256,231.76 = 49,105,938.84 : x - Step 2: Convert to fraction form
55,234,474.08/76,256,231.76 = 49,105,938.84/x - Step 3: Cross multiply
55,234,474.08x = 76,256,231.76 × 49,105,938.84 - Step 4: Simplify right side
55,234,474.08x = 3,744,633,852,975,426 - Step 5: Solve for x
x = 3,744,633,852,975,426/55,234,474.08 - Step 6: Final answer
x = 67,795,229.62
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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.