Finding the Fourth Proportional to 200,715,282.31, 276,471,006.18 and 141,876,791.99
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Solution
The fourth proportional to 200,715,282.31, 276,471,006.18 and 141,876,791.99 is: 195,425,176.32
Step by Step Solution
- Step 1: Write the proportion equation
200,715,282.31 : 276,471,006.18 = 141,876,791.99 : x - Step 2: Convert to fraction form
200,715,282.31/276,471,006.18 = 141,876,791.99/x - Step 3: Cross multiply
200,715,282.31x = 276,471,006.18 × 141,876,791.99 - Step 4: Simplify right side
200,715,282.31x = 39,224,819,435,225,000 - Step 5: Solve for x
x = 39,224,819,435,225,000/200,715,282.31 - Step 6: Final answer
x = 195,425,176.32
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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.