Finding the Fourth Proportional to 131,413,895.99, 196,981,836.74 and 49,497,331.38
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Solution
The fourth proportional to 131,413,895.99, 196,981,836.74 and 49,497,331.38 is: 74,193,639.69
Step by Step Solution
- Step 1: Write the proportion equation
131,413,895.99 : 196,981,836.74 = 49,497,331.38 : x - Step 2: Convert to fraction form
131,413,895.99/196,981,836.74 = 49,497,331.38/x - Step 3: Cross multiply
131,413,895.99x = 196,981,836.74 × 49,497,331.38 - Step 4: Simplify right side
131,413,895.99x = 9,750,075,248,960,840 - Step 5: Solve for x
x = 9,750,075,248,960,840/131,413,895.99 - Step 6: Final answer
x = 74,193,639.69
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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.