Finding the Fourth Proportional to 50,120,405.93, 75,137,138.67 and 19,393,836.68
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Solution
The fourth proportional to 50,120,405.93, 75,137,138.67 and 19,393,836.68 is: 29,073,934.43
Step by Step Solution
- Step 1: Write the proportion equation
50,120,405.93 : 75,137,138.67 = 19,393,836.68 : x - Step 2: Convert to fraction form
50,120,405.93/75,137,138.67 = 19,393,836.68/x - Step 3: Cross multiply
50,120,405.93x = 75,137,138.67 × 19,393,836.68 - Step 4: Simplify right side
50,120,405.93x = 1,457,197,395,592,806.75 - Step 5: Solve for x
x = 1,457,197,395,592,806.75/50,120,405.93 - Step 6: Final answer
x = 29,073,934.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.