Finding the Fourth Proportional to 56,378,399.16, 77,813,097.86 and 36,765,236.92
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Solution
The fourth proportional to 56,378,399.16, 77,813,097.86 and 36,765,236.92 is: 50,743,139.59
Step by Step Solution
- Step 1: Write the proportion equation
56,378,399.16 : 77,813,097.86 = 36,765,236.92 : x - Step 2: Convert to fraction form
56,378,399.16/77,813,097.86 = 36,765,236.92/x - Step 3: Cross multiply
56,378,399.16x = 77,813,097.86 × 36,765,236.92 - Step 4: Simplify right side
56,378,399.16x = 2,860,816,978,302,045 - Step 5: Solve for x
x = 2,860,816,978,302,045/56,378,399.16 - Step 6: Final answer
x = 50,743,139.59
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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.