Finding the Fourth Proportional to 66,586,074.99, 99,889,076.93 and 20,524,115.31
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Solution
The fourth proportional to 66,586,074.99, 99,889,076.93 and 20,524,115.31 is: 30,789,244.35
Step by Step Solution
- Step 1: Write the proportion equation
66,586,074.99 : 99,889,076.93 = 20,524,115.31 : x - Step 2: Convert to fraction form
66,586,074.99/99,889,076.93 = 20,524,115.31/x - Step 3: Cross multiply
66,586,074.99x = 99,889,076.93 × 20,524,115.31 - Step 4: Simplify right side
66,586,074.99x = 2,050,134,933,018,160 - Step 5: Solve for x
x = 2,050,134,933,018,160/66,586,074.99 - Step 6: Final answer
x = 30,789,244.35
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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.