Finding the Fourth Proportional to 286,852,161.09, 430,366,054.67 and 146,891,715.60
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Solution
The fourth proportional to 286,852,161.09, 430,366,054.67 and 146,891,715.60 is: 220,382,540.84
Step by Step Solution
- Step 1: Write the proportion equation
286,852,161.09 : 430,366,054.67 = 146,891,715.60 : x - Step 2: Convert to fraction form
286,852,161.09/430,366,054.67 = 146,891,715.60/x - Step 3: Cross multiply
286,852,161.09x = 430,366,054.67 × 146,891,715.60 - Step 4: Simplify right side
286,852,161.09x = 63,217,208,104,695,096 - Step 5: Solve for x
x = 63,217,208,104,695,096/286,852,161.09 - Step 6: Final answer
x = 220,382,540.84
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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.