Finding the Fourth Proportional to 194,147,720.78, 290,157,771.83 and 141,735,764.09
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Solution
The fourth proportional to 194,147,720.78, 290,157,771.83 and 141,735,764.09 is: 211,827,021.88
Step by Step Solution
- Step 1: Write the proportion equation
194,147,720.78 : 290,157,771.83 = 141,735,764.09 : x - Step 2: Convert to fraction form
194,147,720.78/290,157,771.83 = 141,735,764.09/x - Step 3: Cross multiply
194,147,720.78x = 290,157,771.83 × 141,735,764.09 - Step 4: Simplify right side
194,147,720.78x = 41,125,733,496,993,640 - Step 5: Solve for x
x = 41,125,733,496,993,640/194,147,720.78 - Step 6: Final answer
x = 211,827,021.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.