Finding the Fourth Proportional to 71,474,247.09, 107,170,693.52 and 48,782,634.93
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Solution
The fourth proportional to 71,474,247.09, 107,170,693.52 and 48,782,634.93 is: 73,146,189.43
Step by Step Solution
- Step 1: Write the proportion equation
71,474,247.09 : 107,170,693.52 = 48,782,634.93 : x - Step 2: Convert to fraction form
71,474,247.09/107,170,693.52 = 48,782,634.93/x - Step 3: Cross multiply
71,474,247.09x = 107,170,693.52 × 48,782,634.93 - Step 4: Simplify right side
71,474,247.09x = 5,228,068,816,937,163 - Step 5: Solve for x
x = 5,228,068,816,937,163/71,474,247.09 - Step 6: Final answer
x = 73,146,189.43
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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.