Finding the Fourth Proportional to 269,715,183.18, 372,206,953.44 and 145,955,860.32
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Solution
The fourth proportional to 269,715,183.18, 372,206,953.44 and 145,955,860.32 is: 201,419,087.59
Step by Step Solution
- Step 1: Write the proportion equation
269,715,183.18 : 372,206,953.44 = 145,955,860.32 : x - Step 2: Convert to fraction form
269,715,183.18/372,206,953.44 = 145,955,860.32/x - Step 3: Cross multiply
269,715,183.18x = 372,206,953.44 × 145,955,860.32 - Step 4: Simplify right side
269,715,183.18x = 54,325,786,106,421,384 - Step 5: Solve for x
x = 54,325,786,106,421,384/269,715,183.18 - Step 6: Final answer
x = 201,419,087.59
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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.