Finding the Fourth Proportional to 197,451,811.20, 296,177,716.80 and 95,415,139.20
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Solution
The fourth proportional to 197,451,811.20, 296,177,716.80 and 95,415,139.20 is: 143,122,708.80
Step by Step Solution
- Step 1: Write the proportion equation
197,451,811.20 : 296,177,716.80 = 95,415,139.20 : x - Step 2: Convert to fraction form
197,451,811.20/296,177,716.80 = 95,415,139.20/x - Step 3: Cross multiply
197,451,811.20x = 296,177,716.80 × 95,415,139.20 - Step 4: Simplify right side
197,451,811.20x = 28,259,838,076,410,180 - Step 5: Solve for x
x = 28,259,838,076,410,180/197,451,811.20 - Step 6: Final answer
x = 143,122,708.80
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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.