Finding the Fourth Proportional to 66,434,586.80, 99,651,880.20 and 55,664,049.20
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Solution
The fourth proportional to 66,434,586.80, 99,651,880.20 and 55,664,049.20 is: 83,496,073.80
Step by Step Solution
- Step 1: Write the proportion equation
66,434,586.80 : 99,651,880.20 = 55,664,049.20 : x - Step 2: Convert to fraction form
66,434,586.80/99,651,880.20 = 55,664,049.20/x - Step 3: Cross multiply
66,434,586.80x = 99,651,880.20 × 55,664,049.20 - Step 4: Simplify right side
66,434,586.80x = 5,547,027,162,325,306 - Step 5: Solve for x
x = 5,547,027,162,325,306/66,434,586.80 - Step 6: Final answer
x = 83,496,073.80
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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.