Finding the Fourth Proportional to 135,245,287.50, 202,900,949.28 and 43,129,028.13
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Solution
The fourth proportional to 135,245,287.50, 202,900,949.28 and 43,129,028.13 is: 64,704,071.48
Step by Step Solution
- Step 1: Write the proportion equation
135,245,287.50 : 202,900,949.28 = 43,129,028.13 : x - Step 2: Convert to fraction form
135,245,287.50/202,900,949.28 = 43,129,028.13/x - Step 3: Cross multiply
135,245,287.50x = 202,900,949.28 × 43,129,028.13 - Step 4: Simplify right side
135,245,287.50x = 8,750,920,749,100,824 - Step 5: Solve for x
x = 8,750,920,749,100,824/135,245,287.50 - Step 6: Final answer
x = 64,704,071.48
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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.