Finding the Fourth Proportional to 73,811,425.80, 110,717,138.70 and 53,297,803.20
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Solution
The fourth proportional to 73,811,425.80, 110,717,138.70 and 53,297,803.20 is: 79,946,704.80
Step by Step Solution
- Step 1: Write the proportion equation
73,811,425.80 : 110,717,138.70 = 53,297,803.20 : x - Step 2: Convert to fraction form
73,811,425.80/110,717,138.70 = 53,297,803.20/x - Step 3: Cross multiply
73,811,425.80x = 110,717,138.70 × 53,297,803.20 - Step 4: Simplify right side
73,811,425.80x = 5,900,980,269,299,704 - Step 5: Solve for x
x = 5,900,980,269,299,704/73,811,425.80 - Step 6: Final answer
x = 79,946,704.80
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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.