Finding the Fourth Proportional to 89,542,064.97, 134,097,858.18 and 51,086,994.21
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Solution
The fourth proportional to 89,542,064.97, 134,097,858.18 and 51,086,994.21 is: 76,507,689.51
Step by Step Solution
- Step 1: Write the proportion equation
89,542,064.97 : 134,097,858.18 = 51,086,994.21 : x - Step 2: Convert to fraction form
89,542,064.97/134,097,858.18 = 51,086,994.21/x - Step 3: Cross multiply
89,542,064.97x = 134,097,858.18 × 51,086,994.21 - Step 4: Simplify right side
89,542,064.97x = 6,850,656,504,415,062 - Step 5: Solve for x
x = 6,850,656,504,415,062/89,542,064.97 - Step 6: Final answer
x = 76,507,689.51
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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.