Finding the Fourth Proportional to 64,751,858.40, 97,127,787.60 and 32,503,231.20
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Solution
The fourth proportional to 64,751,858.40, 97,127,787.60 and 32,503,231.20 is: 48,754,846.80
Step by Step Solution
- Step 1: Write the proportion equation
64,751,858.40 : 97,127,787.60 = 32,503,231.20 : x - Step 2: Convert to fraction form
64,751,858.40/97,127,787.60 = 32,503,231.20/x - Step 3: Cross multiply
64,751,858.40x = 97,127,787.60 × 32,503,231.20 - Step 4: Simplify right side
64,751,858.40x = 3,156,966,936,307,293 - Step 5: Solve for x
x = 3,156,966,936,307,293/64,751,858.40 - Step 6: Final answer
x = 48,754,846.80
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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.