Finding the Fourth Proportional to 127,957,642.99, 192,044,136.87 and 119,886,382.80
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Solution
The fourth proportional to 127,957,642.99, 192,044,136.87 and 119,886,382.80 is: 179,930,454.87
Step by Step Solution
- Step 1: Write the proportion equation
127,957,642.99 : 192,044,136.87 = 119,886,382.80 : x - Step 2: Convert to fraction form
127,957,642.99/192,044,136.87 = 119,886,382.80/x - Step 3: Cross multiply
127,957,642.99x = 192,044,136.87 × 119,886,382.80 - Step 4: Simplify right side
127,957,642.99x = 23,023,476,907,292,412 - Step 5: Solve for x
x = 23,023,476,907,292,412/127,957,642.99 - Step 6: Final answer
x = 179,930,454.87
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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.