Finding the Fourth Proportional to 136,044,005.20, 204,066,007.80 and 125,415,185.20
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Solution
The fourth proportional to 136,044,005.20, 204,066,007.80 and 125,415,185.20 is: 188,122,777.80
Step by Step Solution
- Step 1: Write the proportion equation
136,044,005.20 : 204,066,007.80 = 125,415,185.20 : x - Step 2: Convert to fraction form
136,044,005.20/204,066,007.80 = 125,415,185.20/x - Step 3: Cross multiply
136,044,005.20x = 204,066,007.80 × 125,415,185.20 - Step 4: Simplify right side
136,044,005.20x = 25,592,976,161,261,648 - Step 5: Solve for x
x = 25,592,976,161,261,648/136,044,005.20 - Step 6: Final answer
x = 188,122,777.80
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1.5x scale
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.