Finding the Fourth Proportional to 269,715,176.44, 372,206,944.80 and 145,955,854.78
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Solution
The fourth proportional to 269,715,176.44, 372,206,944.80 and 145,955,854.78 is: 201,419,080.31
Step by Step Solution
- Step 1: Write the proportion equation
269,715,176.44 : 372,206,944.80 = 145,955,854.78 : x - Step 2: Convert to fraction form
269,715,176.44/372,206,944.80 = 145,955,854.78/x - Step 3: Cross multiply
269,715,176.44x = 372,206,944.80 × 145,955,854.78 - Step 4: Simplify right side
269,715,176.44x = 54,325,782,783,336,280 - Step 5: Solve for x
x = 54,325,782,783,336,280/269,715,176.44 - Step 6: Final answer
x = 201,419,080.31
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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.