Finding the Fourth Proportional to 64,777,973.44, 97,166,960.16 and 21,647,176.82
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Solution
The fourth proportional to 64,777,973.44, 97,166,960.16 and 21,647,176.82 is: 32,470,765.23
Step by Step Solution
- Step 1: Write the proportion equation
64,777,973.44 : 97,166,960.16 = 21,647,176.82 : x - Step 2: Convert to fraction form
64,777,973.44/97,166,960.16 = 21,647,176.82/x - Step 3: Cross multiply
64,777,973.44x = 97,166,960.16 × 21,647,176.82 - Step 4: Simplify right side
64,777,973.44x = 2,103,390,367,645,415.50 - Step 5: Solve for x
x = 2,103,390,367,645,415.50/64,777,973.44 - Step 6: Final answer
x = 32,470,765.23
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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.