Finding the Fourth Proportional to 198,639,121.88, 297,765,371.16 and 94,981,554.84
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Solution
The fourth proportional to 198,639,121.88, 297,765,371.16 and 94,981,554.84 is: 142,379,898.09
Step by Step Solution
- Step 1: Write the proportion equation
198,639,121.88 : 297,765,371.16 = 94,981,554.84 : x - Step 2: Convert to fraction form
198,639,121.88/297,765,371.16 = 94,981,554.84/x - Step 3: Cross multiply
198,639,121.88x = 297,765,371.16 × 94,981,554.84 - Step 4: Simplify right side
198,639,121.88x = 28,282,217,930,286,496 - Step 5: Solve for x
x = 28,282,217,930,286,496/198,639,121.88 - Step 6: Final answer
x = 142,379,898.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.