Finding the Fourth Proportional to 227,345,325.02, 313,664,930.79 and 139,147,376.66
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Solution
The fourth proportional to 227,345,325.02, 313,664,930.79 and 139,147,376.66 is: 191,979,545.94
Step by Step Solution
- Step 1: Write the proportion equation
227,345,325.02 : 313,664,930.79 = 139,147,376.66 : x - Step 2: Convert to fraction form
227,345,325.02/313,664,930.79 = 139,147,376.66/x - Step 3: Cross multiply
227,345,325.02x = 313,664,930.79 × 139,147,376.66 - Step 4: Simplify right side
227,345,325.02x = 43,645,652,269,668,960 - Step 5: Solve for x
x = 43,645,652,269,668,960/227,345,325.02 - Step 6: Final answer
x = 191,979,545.94
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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.