Finding the Fourth Proportional to 55,236,877.73, 82,879,209.57 and 29,647,993.58
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Solution
The fourth proportional to 55,236,877.73, 82,879,209.57 and 29,647,993.58 is: 44,484,814.75
Step by Step Solution
- Step 1: Write the proportion equation
55,236,877.73 : 82,879,209.57 = 29,647,993.58 : x - Step 2: Convert to fraction form
55,236,877.73/82,879,209.57 = 29,647,993.58/x - Step 3: Cross multiply
55,236,877.73x = 82,879,209.57 × 29,647,993.58 - Step 4: Simplify right side
55,236,877.73x = 2,457,202,273,246,834 - Step 5: Solve for x
x = 2,457,202,273,246,834/55,236,877.73 - Step 6: Final answer
x = 44,484,814.75
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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.