Finding the Fourth Proportional to 129,034,309.80, 193,551,464.70 and 33,296,197.80
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Solution
The fourth proportional to 129,034,309.80, 193,551,464.70 and 33,296,197.80 is: 49,944,296.70
Step by Step Solution
- Step 1: Write the proportion equation
129,034,309.80 : 193,551,464.70 = 33,296,197.80 : x - Step 2: Convert to fraction form
129,034,309.80/193,551,464.70 = 33,296,197.80/x - Step 3: Cross multiply
129,034,309.80x = 193,551,464.70 × 33,296,197.80 - Step 4: Simplify right side
129,034,309.80x = 6,444,527,853,130,917 - Step 5: Solve for x
x = 6,444,527,853,130,917/129,034,309.80 - Step 6: Final answer
x = 49,944,296.70
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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.