Finding the Fourth Proportional to 129,033,709.80, 193,550,564.70 and 33,295,597.80
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Solution
The fourth proportional to 129,033,709.80, 193,550,564.70 and 33,295,597.80 is: 49,943,396.70
Step by Step Solution
- Step 1: Write the proportion equation
129,033,709.80 : 193,550,564.70 = 33,295,597.80 : x - Step 2: Convert to fraction form
129,033,709.80/193,550,564.70 = 33,295,597.80/x - Step 3: Cross multiply
129,033,709.80x = 193,550,564.70 × 33,295,597.80 - Step 4: Simplify right side
129,033,709.80x = 6,444,381,756,214,077 - Step 5: Solve for x
x = 6,444,381,756,214,077/129,033,709.80 - Step 6: Final answer
x = 49,943,396.70
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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.