Finding the Fourth Proportional to 61,104,912.87, 84,322,212.92 and 34,645,046.75
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Solution
The fourth proportional to 61,104,912.87, 84,322,212.92 and 34,645,046.75 is: 47,808,709.17
Step by Step Solution
- Step 1: Write the proportion equation
61,104,912.87 : 84,322,212.92 = 34,645,046.75 : x - Step 2: Convert to fraction form
61,104,912.87/84,322,212.92 = 34,645,046.75/x - Step 3: Cross multiply
61,104,912.87x = 84,322,212.92 × 34,645,046.75 - Step 4: Simplify right side
61,104,912.87x = 2,921,347,008,667,733 - Step 5: Solve for x
x = 2,921,347,008,667,733/61,104,912.87 - Step 6: Final answer
x = 47,808,709.17
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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.