Finding the Fourth Proportional to 147,458,021.58, 203,568,571.62 and 107,720,941.14
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Solution
The fourth proportional to 147,458,021.58, 203,568,571.62 and 107,720,941.14 is: 148,710,784.85
Step by Step Solution
- Step 1: Write the proportion equation
147,458,021.58 : 203,568,571.62 = 107,720,941.14 : x - Step 2: Convert to fraction form
147,458,021.58/203,568,571.62 = 107,720,941.14/x - Step 3: Cross multiply
147,458,021.58x = 203,568,571.62 × 107,720,941.14 - Step 4: Simplify right side
147,458,021.58x = 21,928,598,121,431,896 - Step 5: Solve for x
x = 21,928,598,121,431,896/147,458,021.58 - Step 6: Final answer
x = 148,710,784.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.