Finding the Fourth Proportional to 129,405,325.28, 194,109,704.04 and 43,143,759.68
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Solution
The fourth proportional to 129,405,325.28, 194,109,704.04 and 43,143,759.68 is: 64,716,211.67
Step by Step Solution
- Step 1: Write the proportion equation
129,405,325.28 : 194,109,704.04 = 43,143,759.68 : x - Step 2: Convert to fraction form
129,405,325.28/194,109,704.04 = 43,143,759.68/x - Step 3: Cross multiply
129,405,325.28x = 194,109,704.04 × 43,143,759.68 - Step 4: Simplify right side
129,405,325.28x = 8,374,622,422,657,685 - Step 5: Solve for x
x = 8,374,622,422,657,685/129,405,325.28 - Step 6: Final answer
x = 64,716,211.67
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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.