Finding the Fourth Proportional to 202,113,643.80, 303,170,465.70 and 196,444,939.80
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Solution
The fourth proportional to 202,113,643.80, 303,170,465.70 and 196,444,939.80 is: 294,667,409.70
Step by Step Solution
- Step 1: Write the proportion equation
202,113,643.80 : 303,170,465.70 = 196,444,939.80 : x - Step 2: Convert to fraction form
202,113,643.80/303,170,465.70 = 196,444,939.80/x - Step 3: Cross multiply
202,113,643.80x = 303,170,465.70 × 196,444,939.80 - Step 4: Simplify right side
202,113,643.80x = 59,556,303,883,574,464 - Step 5: Solve for x
x = 59,556,303,883,574,464/202,113,643.80 - Step 6: Final answer
x = 294,667,409.70
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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.