Finding the Fourth Proportional to 99,651,661.20, 149,477,491.80 and 27,848,077.20
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Solution
The fourth proportional to 99,651,661.20, 149,477,491.80 and 27,848,077.20 is: 41,772,115.80
Step by Step Solution
- Step 1: Write the proportion equation
99,651,661.20 : 149,477,491.80 = 27,848,077.20 : x - Step 2: Convert to fraction form
99,651,661.20/149,477,491.80 = 27,848,077.20/x - Step 3: Cross multiply
99,651,661.20x = 149,477,491.80 × 27,848,077.20 - Step 4: Simplify right side
99,651,661.20x = 4,162,660,731,308,767 - Step 5: Solve for x
x = 4,162,660,731,308,767/99,651,661.20 - Step 6: Final answer
x = 41,772,115.80
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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.