Finding the Fourth Proportional to 181,576,785.06, 250,283,245.68 and 122,818,021.83
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Solution
The fourth proportional to 181,576,785.06, 250,283,245.68 and 122,818,021.83 is: 169,290,876.70
Step by Step Solution
- Step 1: Write the proportion equation
181,576,785.06 : 250,283,245.68 = 122,818,021.83 : x - Step 2: Convert to fraction form
181,576,785.06/250,283,245.68 = 122,818,021.83/x - Step 3: Cross multiply
181,576,785.06x = 250,283,245.68 × 122,818,021.83 - Step 4: Simplify right side
181,576,785.06x = 30,739,293,131,609,492 - Step 5: Solve for x
x = 30,739,293,131,609,492/181,576,785.06 - Step 6: Final answer
x = 169,290,876.70
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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.