Finding the Fourth Proportional to 75,637,475.49, 113,370,149.73 and 46,028,361.56
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Solution
The fourth proportional to 75,637,475.49, 113,370,149.73 and 46,028,361.56 is: 68,990,169.33
Step by Step Solution
- Step 1: Write the proportion equation
75,637,475.49 : 113,370,149.73 = 46,028,361.56 : x - Step 2: Convert to fraction form
75,637,475.49/113,370,149.73 = 46,028,361.56/x - Step 3: Cross multiply
75,637,475.49x = 113,370,149.73 × 46,028,361.56 - Step 4: Simplify right side
75,637,475.49x = 5,218,242,241,883,777 - Step 5: Solve for x
x = 5,218,242,241,883,777/75,637,475.49 - Step 6: Final answer
x = 68,990,169.33
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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.