Finding the Fourth Proportional to 49,412,466.08, 68,172,859.68 and 29,825,912.96
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Solution
The fourth proportional to 49,412,466.08, 68,172,859.68 and 29,825,912.96 is: 41,149,894.76
Step by Step Solution
- Step 1: Write the proportion equation
49,412,466.08 : 68,172,859.68 = 29,825,912.96 : x - Step 2: Convert to fraction form
49,412,466.08/68,172,859.68 = 29,825,912.96/x - Step 3: Cross multiply
49,412,466.08x = 68,172,859.68 × 29,825,912.96 - Step 4: Simplify right side
49,412,466.08x = 2,033,317,779,049,973.75 - Step 5: Solve for x
x = 2,033,317,779,049,973.75/49,412,466.08 - Step 6: Final answer
x = 41,149,894.76
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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.