Finding the Fourth Proportional to 129,990,217.62, 194,983,358.13 and 31,622,850.48
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Solution
The fourth proportional to 129,990,217.62, 194,983,358.13 and 31,622,850.48 is: 47,433,796.89
Step by Step Solution
- Step 1: Write the proportion equation
129,990,217.62 : 194,983,358.13 = 31,622,850.48 : x - Step 2: Convert to fraction form
129,990,217.62/194,983,358.13 = 31,622,850.48/x - Step 3: Cross multiply
129,990,217.62x = 194,983,358.13 × 31,622,850.48 - Step 4: Simplify right side
129,990,217.62x = 6,165,929,580,233,282 - Step 5: Solve for x
x = 6,165,929,580,233,282/129,990,217.62 - Step 6: Final answer
x = 47,433,796.89
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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.