Finding the Fourth Proportional to 209,201,422.01, 313,802,131.55 and 76,264,247.66
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Solution
The fourth proportional to 209,201,422.01, 313,802,131.55 and 76,264,247.66 is: 114,396,370.95
Step by Step Solution
- Step 1: Write the proportion equation
209,201,422.01 : 313,802,131.55 = 76,264,247.66 : x - Step 2: Convert to fraction form
209,201,422.01/313,802,131.55 = 76,264,247.66/x - Step 3: Cross multiply
209,201,422.01x = 313,802,131.55 × 76,264,247.66 - Step 4: Simplify right side
209,201,422.01x = 23,931,883,474,814,768 - Step 5: Solve for x
x = 23,931,883,474,814,768/209,201,422.01 - Step 6: Final answer
x = 114,396,370.95
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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.