Finding the Fourth Proportional to 116,491,421.80, 174,989,075.10 and 82,479,197.80
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Solution
The fourth proportional to 116,491,421.80, 174,989,075.10 and 82,479,197.80 is: 123,897,178.99
Step by Step Solution
- Step 1: Write the proportion equation
116,491,421.80 : 174,989,075.10 = 82,479,197.80 : x - Step 2: Convert to fraction form
116,491,421.80/174,989,075.10 = 82,479,197.80/x - Step 3: Cross multiply
116,491,421.80x = 174,989,075.10 × 82,479,197.80 - Step 4: Simplify right side
116,491,421.80x = 14,432,958,538,011,954 - Step 5: Solve for x
x = 14,432,958,538,011,954/116,491,421.80 - Step 6: Final answer
x = 123,897,178.99
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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.