Finding the Fourth Proportional to 206,969,033.68, 310,453,550.76 and 84,118,568.47
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Solution
The fourth proportional to 206,969,033.68, 310,453,550.76 and 84,118,568.47 is: 126,177,852.80
Step by Step Solution
- Step 1: Write the proportion equation
206,969,033.68 : 310,453,550.76 = 84,118,568.47 : x - Step 2: Convert to fraction form
206,969,033.68/310,453,550.76 = 84,118,568.47/x - Step 3: Cross multiply
206,969,033.68x = 310,453,550.76 × 84,118,568.47 - Step 4: Simplify right side
206,969,033.68x = 26,114,908,266,359,680 - Step 5: Solve for x
x = 26,114,908,266,359,680/206,969,033.68 - Step 6: Final answer
x = 126,177,852.80
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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.