Finding the Fourth Proportional to 99,858,348.40, 149,693,044.20 and 58,949,201.20
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Solution
The fourth proportional to 99,858,348.40, 149,693,044.20 and 58,949,201.20 is: 88,368,028.53
Step by Step Solution
- Step 1: Write the proportion equation
99,858,348.40 : 149,693,044.20 = 58,949,201.20 : x - Step 2: Convert to fraction form
99,858,348.40/149,693,044.20 = 58,949,201.20/x - Step 3: Cross multiply
99,858,348.40x = 149,693,044.20 × 58,949,201.20 - Step 4: Simplify right side
99,858,348.40x = 8,824,285,380,786,293 - Step 5: Solve for x
x = 8,824,285,380,786,293/99,858,348.40 - Step 6: Final answer
x = 88,368,028.53
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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.