Finding the Fourth Proportional to 135,162,836.87, 202,764,488.02 and 48,921,421.91
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Solution
The fourth proportional to 135,162,836.87, 202,764,488.02 and 48,921,421.91 is: 73,389,455.98
Step by Step Solution
- Step 1: Write the proportion equation
135,162,836.87 : 202,764,488.02 = 48,921,421.91 : x - Step 2: Convert to fraction form
135,162,836.87/202,764,488.02 = 48,921,421.91/x - Step 3: Cross multiply
135,162,836.87x = 202,764,488.02 × 48,921,421.91 - Step 4: Simplify right side
135,162,836.87x = 9,919,527,065,655,436 - Step 5: Solve for x
x = 9,919,527,065,655,436/135,162,836.87 - Step 6: Final answer
x = 73,389,455.98
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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.