Finding the Fourth Proportional to 138,808,246.56, 206,971,387.27 and 134,994,576.12
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Solution
The fourth proportional to 138,808,246.56, 206,971,387.27 and 134,994,576.12 is: 201,284,976.83
Step by Step Solution
- Step 1: Write the proportion equation
138,808,246.56 : 206,971,387.27 = 134,994,576.12 : x - Step 2: Convert to fraction form
138,808,246.56/206,971,387.27 = 134,994,576.12/x - Step 3: Cross multiply
138,808,246.56x = 206,971,387.27 × 134,994,576.12 - Step 4: Simplify right side
138,808,246.56x = 27,940,014,693,144,532 - Step 5: Solve for x
x = 27,940,014,693,144,532/138,808,246.56 - Step 6: Final answer
x = 201,284,976.83
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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.