Finding the Fourth Proportional to 49,578,332.20, 68,419,759.90 and 27,552,759.96
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Solution
The fourth proportional to 49,578,332.20, 68,419,759.90 and 27,552,759.96 is: 38,023,732.09
Step by Step Solution
- Step 1: Write the proportion equation
49,578,332.20 : 68,419,759.90 = 27,552,759.96 : x - Step 2: Convert to fraction form
49,578,332.20/68,419,759.90 = 27,552,759.96/x - Step 3: Cross multiply
49,578,332.20x = 68,419,759.90 × 27,552,759.96 - Step 4: Simplify right side
49,578,332.20x = 1,885,153,221,045,533.75 - Step 5: Solve for x
x = 1,885,153,221,045,533.75/49,578,332.20 - Step 6: Final answer
x = 38,023,732.09
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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.