Finding the Fourth Proportional to 49,553,646.12, 68,394,961.44 and 27,534,711.42
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Solution
The fourth proportional to 49,553,646.12, 68,394,961.44 and 27,534,711.42 is: 38,003,974.95
Step by Step Solution
- Step 1: Write the proportion equation
49,553,646.12 : 68,394,961.44 = 27,534,711.42 : x - Step 2: Convert to fraction form
49,553,646.12/68,394,961.44 = 27,534,711.42/x - Step 3: Cross multiply
49,553,646.12x = 68,394,961.44 × 27,534,711.42 - Step 4: Simplify right side
49,553,646.12x = 1,883,235,525,832,427.75 - Step 5: Solve for x
x = 1,883,235,525,832,427.75/49,553,646.12 - Step 6: Final answer
x = 38,003,974.95
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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.