Finding the Fourth Proportional to 121,424,361.09, 182,149,305.84 and 39,549,619.50
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Solution
The fourth proportional to 121,424,361.09, 182,149,305.84 and 39,549,619.50 is: 59,328,586.73
Step by Step Solution
- Step 1: Write the proportion equation
121,424,361.09 : 182,149,305.84 = 39,549,619.50 : x - Step 2: Convert to fraction form
121,424,361.09/182,149,305.84 = 39,549,619.50/x - Step 3: Cross multiply
121,424,361.09x = 182,149,305.84 × 39,549,619.50 - Step 4: Simplify right side
121,424,361.09x = 7,203,935,738,161,128 - Step 5: Solve for x
x = 7,203,935,738,161,128/121,424,361.09 - Step 6: Final answer
x = 59,328,586.73
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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.