Finding the Fourth Proportional to 84,351,834.05, 116,430,277.57 and 49,077,936.23
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Solution
The fourth proportional to 84,351,834.05, 116,430,277.57 and 49,077,936.23 is: 67,741,950.15
Step by Step Solution
- Step 1: Write the proportion equation
84,351,834.05 : 116,430,277.57 = 49,077,936.23 : x - Step 2: Convert to fraction form
84,351,834.05/116,430,277.57 = 49,077,936.23/x - Step 3: Cross multiply
84,351,834.05x = 116,430,277.57 × 49,077,936.23 - Step 4: Simplify right side
84,351,834.05x = 5,714,157,737,116,813 - Step 5: Solve for x
x = 5,714,157,737,116,813/84,351,834.05 - Step 6: Final answer
x = 67,741,950.15
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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.