Finding the Fourth Proportional to 55,543,606.20, 83,173,691.70 and 44,206,198.20
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Solution
The fourth proportional to 55,543,606.20, 83,173,691.70 and 44,206,198.20 is: 66,196,506.71
Step by Step Solution
- Step 1: Write the proportion equation
55,543,606.20 : 83,173,691.70 = 44,206,198.20 : x - Step 2: Convert to fraction form
55,543,606.20/83,173,691.70 = 44,206,198.20/x - Step 3: Cross multiply
55,543,606.20x = 83,173,691.70 × 44,206,198.20 - Step 4: Simplify right side
55,543,606.20x = 3,676,792,700,315,895.50 - Step 5: Solve for x
x = 3,676,792,700,315,895.50/55,543,606.20 - Step 6: Final answer
x = 66,196,506.71
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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.