Finding the Fourth Proportional to 118,816,998.99, 178,222,716.21 and 31,384,617.84
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Solution
The fourth proportional to 118,816,998.99, 178,222,716.21 and 31,384,617.84 is: 47,076,191.84
Step by Step Solution
- Step 1: Write the proportion equation
118,816,998.99 : 178,222,716.21 = 31,384,617.84 : x - Step 2: Convert to fraction form
118,816,998.99/178,222,716.21 = 31,384,617.84/x - Step 3: Cross multiply
118,816,998.99x = 178,222,716.21 × 31,384,617.84 - Step 4: Simplify right side
118,816,998.99x = 5,593,451,838,657,623 - Step 5: Solve for x
x = 5,593,451,838,657,623/118,816,998.99 - Step 6: Final answer
x = 47,076,191.84
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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.