Finding the Fourth Proportional to 73,785,739.99, 110,846,571.59 and 53,378,405.59
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Solution
The fourth proportional to 73,785,739.99, 110,846,571.59 and 53,378,405.59 is: 80,189,115.91
Step by Step Solution
- Step 1: Write the proportion equation
73,785,739.99 : 110,846,571.59 = 53,378,405.59 : x - Step 2: Convert to fraction form
73,785,739.99/110,846,571.59 = 53,378,405.59/x - Step 3: Cross multiply
73,785,739.99x = 110,846,571.59 × 53,378,405.59 - Step 4: Simplify right side
73,785,739.99x = 5,916,813,256,591,992 - Step 5: Solve for x
x = 5,916,813,256,591,992/73,785,739.99 - Step 6: Final answer
x = 80,189,115.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.