Finding the Fourth Proportional to 188,971,578.72, 283,354,794.24 and 85,219,390.08
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Solution
The fourth proportional to 188,971,578.72, 283,354,794.24 and 85,219,390.08 is: 127,782,828.00
Step by Step Solution
- Step 1: Write the proportion equation
188,971,578.72 : 283,354,794.24 = 85,219,390.08 : x - Step 2: Convert to fraction form
188,971,578.72/283,354,794.24 = 85,219,390.08/x - Step 3: Cross multiply
188,971,578.72x = 283,354,794.24 × 85,219,390.08 - Step 4: Simplify right side
188,971,578.72x = 24,147,322,741,376,696 - Step 5: Solve for x
x = 24,147,322,741,376,696/188,971,578.72 - Step 6: Final answer
x = 127,782,828.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.