Finding the Fourth Proportional to 138,861,786.24, 208,306,676.16 and 36,632,891.52
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Solution
The fourth proportional to 138,861,786.24, 208,306,676.16 and 36,632,891.52 is: 54,953,029.75
Step by Step Solution
- Step 1: Write the proportion equation
138,861,786.24 : 208,306,676.16 = 36,632,891.52 : x - Step 2: Convert to fraction form
138,861,786.24/208,306,676.16 = 36,632,891.52/x - Step 3: Cross multiply
138,861,786.24x = 208,306,676.16 × 36,632,891.52 - Step 4: Simplify right side
138,861,786.24x = 7,630,875,870,661,051 - Step 5: Solve for x
x = 7,630,875,870,661,051/138,861,786.24 - Step 6: Final answer
x = 54,953,029.75
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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.