Finding the Fourth Proportional to 129,862,729.58, 194,748,147.31 and 37,727,299.12
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Solution
The fourth proportional to 129,862,729.58, 194,748,147.31 and 37,727,299.12 is: 56,577,600.30
Step by Step Solution
- Step 1: Write the proportion equation
129,862,729.58 : 194,748,147.31 = 37,727,299.12 : x - Step 2: Convert to fraction form
129,862,729.58/194,748,147.31 = 37,727,299.12/x - Step 3: Cross multiply
129,862,729.58x = 194,748,147.31 × 37,727,299.12 - Step 4: Simplify right side
129,862,729.58x = 7,347,321,607,791,805 - Step 5: Solve for x
x = 7,347,321,607,791,805/129,862,729.58 - Step 6: Final answer
x = 56,577,600.30
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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.