Finding the Fourth Proportional to 100,129,884.35, 149,925,729.84 and 63,540,171.50
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Solution
The fourth proportional to 100,129,884.35, 149,925,729.84 and 63,540,171.50 is: 95,139,494.54
Step by Step Solution
- Step 1: Write the proportion equation
100,129,884.35 : 149,925,729.84 = 63,540,171.50 : x - Step 2: Convert to fraction form
100,129,884.35/149,925,729.84 = 63,540,171.50/x - Step 3: Cross multiply
100,129,884.35x = 149,925,729.84 × 63,540,171.50 - Step 4: Simplify right side
100,129,884.35x = 9,526,306,585,308,364 - Step 5: Solve for x
x = 9,526,306,585,308,364/100,129,884.35 - Step 6: Final answer
x = 95,139,494.54
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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.