Finding the Fourth Proportional to 103,792,626.72, 143,236,814.94 and 57,385,876.68
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Solution
The fourth proportional to 103,792,626.72, 143,236,814.94 and 57,385,876.68 is: 79,194,163.00
Step by Step Solution
- Step 1: Write the proportion equation
103,792,626.72 : 143,236,814.94 = 57,385,876.68 : x - Step 2: Convert to fraction form
103,792,626.72/143,236,814.94 = 57,385,876.68/x - Step 3: Cross multiply
103,792,626.72x = 143,236,814.94 × 57,385,876.68 - Step 4: Simplify right side
103,792,626.72x = 8,219,770,198,182,821 - Step 5: Solve for x
x = 8,219,770,198,182,821/103,792,626.72 - Step 6: Final answer
x = 79,194,163.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.