Finding the Fourth Proportional to 312,208,684.05, 468,131,497.64 and 118,135,091.37
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Solution
The fourth proportional to 312,208,684.05, 468,131,497.64 and 118,135,091.37 is: 177,133,949.41
Step by Step Solution
- Step 1: Write the proportion equation
312,208,684.05 : 468,131,497.64 = 118,135,091.37 : x - Step 2: Convert to fraction form
312,208,684.05/468,131,497.64 = 118,135,091.37/x - Step 3: Cross multiply
312,208,684.05x = 468,131,497.64 × 118,135,091.37 - Step 4: Simplify right side
312,208,684.05x = 55,302,757,244,535,680 - Step 5: Solve for x
x = 55,302,757,244,535,680/312,208,684.05 - Step 6: Final answer
x = 177,133,949.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.