Finding the Fourth Proportional to 49,902,893.43, 69,218,307.84 and 48,575,603.13
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Solution
The fourth proportional to 49,902,893.43, 69,218,307.84 and 48,575,603.13 is: 67,377,276.54
Step by Step Solution
- Step 1: Write the proportion equation
49,902,893.43 : 69,218,307.84 = 48,575,603.13 : x - Step 2: Convert to fraction form
49,902,893.43/69,218,307.84 = 48,575,603.13/x - Step 3: Cross multiply
49,902,893.43x = 69,218,307.84 × 48,575,603.13 - Step 4: Simplify right side
49,902,893.43x = 3,362,321,050,966,008 - Step 5: Solve for x
x = 3,362,321,050,966,008/49,902,893.43 - Step 6: Final answer
x = 67,377,276.54
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.