Finding the Fourth Proportional to 67,743,234.24, 93,478,917.90 and 38,368,704.12
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Solution
The fourth proportional to 67,743,234.24, 93,478,917.90 and 38,368,704.12 is: 52,944,991.22
Step by Step Solution
- Step 1: Write the proportion equation
67,743,234.24 : 93,478,917.90 = 38,368,704.12 : x - Step 2: Convert to fraction form
67,743,234.24/93,478,917.90 = 38,368,704.12/x - Step 3: Cross multiply
67,743,234.24x = 93,478,917.90 × 38,368,704.12 - Step 4: Simplify right side
67,743,234.24x = 3,586,664,942,362,871.50 - Step 5: Solve for x
x = 3,586,664,942,362,871.50/67,743,234.24 - Step 6: Final answer
x = 52,944,991.22
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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.