Finding the Fourth Proportional to 227,531,811.38, 313,991,664.28 and 123,107,591.48
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Solution
The fourth proportional to 227,531,811.38, 313,991,664.28 and 123,107,591.48 is: 169,887,266.75
Step by Step Solution
- Step 1: Write the proportion equation
227,531,811.38 : 313,991,664.28 = 123,107,591.48 : x - Step 2: Convert to fraction form
227,531,811.38/313,991,664.28 = 123,107,591.48/x - Step 3: Cross multiply
227,531,811.38x = 313,991,664.28 × 123,107,591.48 - Step 4: Simplify right side
227,531,811.38x = 38,654,757,534,307,544 - Step 5: Solve for x
x = 38,654,757,534,307,544/227,531,811.38 - Step 6: Final answer
x = 169,887,266.75
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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.