Finding the Fourth Proportional to 88,709,136.10, 122,538,427.43 and 66,847,884.10
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Solution
The fourth proportional to 88,709,136.10, 122,538,427.43 and 66,847,884.10 is: 92,340,371.63
Step by Step Solution
- Step 1: Write the proportion equation
88,709,136.10 : 122,538,427.43 = 66,847,884.10 : x - Step 2: Convert to fraction form
88,709,136.10/122,538,427.43 = 66,847,884.10/x - Step 3: Cross multiply
88,709,136.10x = 122,538,427.43 × 66,847,884.10 - Step 4: Simplify right side
88,709,136.10x = 8,191,434,593,689,969 - Step 5: Solve for x
x = 8,191,434,593,689,969/88,709,136.10 - Step 6: Final answer
x = 92,340,371.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.