Finding the Fourth Proportional to 45,529,889.92, 68,294,951.52 and 18,603,545.92
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Solution
The fourth proportional to 45,529,889.92, 68,294,951.52 and 18,603,545.92 is: 27,905,366.54
Step by Step Solution
- Step 1: Write the proportion equation
45,529,889.92 : 68,294,951.52 = 18,603,545.92 : x - Step 2: Convert to fraction form
45,529,889.92/68,294,951.52 = 18,603,545.92/x - Step 3: Cross multiply
45,529,889.92x = 68,294,951.52 × 18,603,545.92 - Step 4: Simplify right side
45,529,889.92x = 1,270,528,266,706,493.75 - Step 5: Solve for x
x = 1,270,528,266,706,493.75/45,529,889.92 - Step 6: Final answer
x = 27,905,366.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.