Finding the Fourth Proportional to 81,907,640.04, 113,031,798.96 and 44,737,912.44
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Solution
The fourth proportional to 81,907,640.04, 113,031,798.96 and 44,737,912.44 is: 61,737,912.63
Step by Step Solution
- Step 1: Write the proportion equation
81,907,640.04 : 113,031,798.96 = 44,737,912.44 : x - Step 2: Convert to fraction form
81,907,640.04/113,031,798.96 = 44,737,912.44/x - Step 3: Cross multiply
81,907,640.04x = 113,031,798.96 × 44,737,912.44 - Step 4: Simplify right side
81,907,640.04x = 5,056,806,724,808,162 - Step 5: Solve for x
x = 5,056,806,724,808,162/81,907,640.04 - Step 6: Final answer
x = 61,737,912.63
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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.