Finding the Fourth Proportional to 76,500,107.07, 114,738,949.62 and 37,628,124.99
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Solution
The fourth proportional to 76,500,107.07, 114,738,949.62 and 37,628,124.99 is: 56,436,673.14
Step by Step Solution
- Step 1: Write the proportion equation
76,500,107.07 : 114,738,949.62 = 37,628,124.99 : x - Step 2: Convert to fraction form
76,500,107.07/114,738,949.62 = 37,628,124.99/x - Step 3: Cross multiply
76,500,107.07x = 114,738,949.62 × 37,628,124.99 - Step 4: Simplify right side
76,500,107.07x = 4,317,411,537,522,673.50 - Step 5: Solve for x
x = 4,317,411,537,522,673.50/76,500,107.07 - Step 6: Final answer
x = 56,436,673.14
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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.