Finding the Fourth Proportional to 190,223,371.29, 285,245,122.02 and 73,693,319.07
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Solution
The fourth proportional to 190,223,371.29, 285,245,122.02 and 73,693,319.07 is: 110,505,137.45
Step by Step Solution
- Step 1: Write the proportion equation
190,223,371.29 : 285,245,122.02 = 73,693,319.07 : x - Step 2: Convert to fraction form
190,223,371.29/285,245,122.02 = 73,693,319.07/x - Step 3: Cross multiply
190,223,371.29x = 285,245,122.02 × 73,693,319.07 - Step 4: Simplify right side
190,223,371.29x = 21,020,659,790,171,868 - Step 5: Solve for x
x = 21,020,659,790,171,868/190,223,371.29 - Step 6: Final answer
x = 110,505,137.45
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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.