Finding the Fourth Proportional to 67,685,391.06, 93,405,338.11 and 36,744,764.82
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Solution
The fourth proportional to 67,685,391.06, 93,405,338.11 and 36,744,764.82 is: 50,707,503.17
Step by Step Solution
- Step 1: Write the proportion equation
67,685,391.06 : 93,405,338.11 = 36,744,764.82 : x - Step 2: Convert to fraction form
67,685,391.06/93,405,338.11 = 36,744,764.82/x - Step 3: Cross multiply
67,685,391.06x = 93,405,338.11 × 36,744,764.82 - Step 4: Simplify right side
67,685,391.06x = 3,432,157,181,273,504.50 - Step 5: Solve for x
x = 3,432,157,181,273,504.50/67,685,391.06 - Step 6: Final answer
x = 50,707,503.17
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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.