Finding the Fourth Proportional to 49,576,869.18, 68,417,738.90 and 27,551,296.94
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Solution
The fourth proportional to 49,576,869.18, 68,417,738.90 and 27,551,296.94 is: 38,021,711.97
Step by Step Solution
- Step 1: Write the proportion equation
49,576,869.18 : 68,417,738.90 = 27,551,296.94 : x - Step 2: Convert to fraction form
49,576,869.18/68,417,738.90 = 27,551,296.94/x - Step 3: Cross multiply
49,576,869.18x = 68,417,738.90 × 27,551,296.94 - Step 4: Simplify right side
49,576,869.18x = 1,884,997,440,397,289.25 - Step 5: Solve for x
x = 1,884,997,440,397,289.25/49,576,869.18 - Step 6: Final answer
x = 38,021,711.97
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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.