Finding the Fourth Proportional to 61,291,664.30, 84,583,074.54 and 33,790,576.70
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Solution
The fourth proportional to 61,291,664.30, 84,583,074.54 and 33,790,576.70 is: 46,631,314.39
Step by Step Solution
- Step 1: Write the proportion equation
61,291,664.30 : 84,583,074.54 = 33,790,576.70 : x - Step 2: Convert to fraction form
61,291,664.30/84,583,074.54 = 33,790,576.70/x - Step 3: Cross multiply
61,291,664.30x = 84,583,074.54 × 33,790,576.70 - Step 4: Simplify right side
61,291,664.30x = 2,858,110,867,342,772 - Step 5: Solve for x
x = 2,858,110,867,342,772/61,291,664.30 - Step 6: Final answer
x = 46,631,314.39
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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.