Finding the Fourth Proportional to 83,707,422.40, 125,493,375.48 and 26,170,076.80
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Solution
The fourth proportional to 83,707,422.40, 125,493,375.48 and 26,170,076.80 is: 39,233,931.47
Step by Step Solution
- Step 1: Write the proportion equation
83,707,422.40 : 125,493,375.48 = 26,170,076.80 : x - Step 2: Convert to fraction form
83,707,422.40/125,493,375.48 = 26,170,076.80/x - Step 3: Cross multiply
83,707,422.40x = 125,493,375.48 × 26,170,076.80 - Step 4: Simplify right side
83,707,422.40x = 3,284,171,274,202,837 - Step 5: Solve for x
x = 3,284,171,274,202,837/83,707,422.40 - Step 6: Final answer
x = 39,233,931.47
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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.