Finding the Fourth Proportional to 227,018,874.59, 313,286,045.08 and 122,596,936.69
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Solution
The fourth proportional to 227,018,874.59, 313,286,045.08 and 122,596,936.69 is: 169,183,771.63
Step by Step Solution
- Step 1: Write the proportion equation
227,018,874.59 : 313,286,045.08 = 122,596,936.69 : x - Step 2: Convert to fraction form
227,018,874.59/313,286,045.08 = 122,596,936.69/x - Step 3: Cross multiply
227,018,874.59x = 313,286,045.08 × 122,596,936.69 - Step 4: Simplify right side
227,018,874.59x = 38,407,909,433,273,304 - Step 5: Solve for x
x = 38,407,909,433,273,304/227,018,874.59 - Step 6: Final answer
x = 169,183,771.63
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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.