Finding the Fourth Proportional to 138,808,318.14, 206,971,493.49 and 134,994,647.52
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Solution
The fourth proportional to 138,808,318.14, 206,971,493.49 and 134,994,647.52 is: 201,285,082.80
Step by Step Solution
- Step 1: Write the proportion equation
138,808,318.14 : 206,971,493.49 = 134,994,647.52 : x - Step 2: Convert to fraction form
138,808,318.14/206,971,493.49 = 134,994,647.52/x - Step 3: Cross multiply
138,808,318.14x = 206,971,493.49 × 134,994,647.52 - Step 4: Simplify right side
138,808,318.14x = 27,940,043,810,370,528 - Step 5: Solve for x
x = 27,940,043,810,370,528/138,808,318.14 - Step 6: Final answer
x = 201,285,082.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.