Finding the Fourth Proportional to 55,147,099.80, 82,720,649.70 and 14,757,583.80
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Solution
The fourth proportional to 55,147,099.80, 82,720,649.70 and 14,757,583.80 is: 22,136,375.70
Step by Step Solution
- Step 1: Write the proportion equation
55,147,099.80 : 82,720,649.70 = 14,757,583.80 : x - Step 2: Convert to fraction form
55,147,099.80/82,720,649.70 = 14,757,583.80/x - Step 3: Cross multiply
55,147,099.80x = 82,720,649.70 × 14,757,583.80 - Step 4: Simplify right side
55,147,099.80x = 1,220,756,919,938,195 - Step 5: Solve for x
x = 1,220,756,919,938,195/55,147,099.80 - Step 6: Final answer
x = 22,136,375.70
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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.