Finding the Fourth Proportional to 138,808,234.11, 206,971,368.87 and 134,994,563.69
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Solution
The fourth proportional to 138,808,234.11, 206,971,368.87 and 134,994,563.69 is: 201,284,958.45
Step by Step Solution
- Step 1: Write the proportion equation
138,808,234.11 : 206,971,368.87 = 134,994,563.69 : x - Step 2: Convert to fraction form
138,808,234.11/206,971,368.87 = 134,994,563.69/x - Step 3: Cross multiply
138,808,234.11x = 206,971,368.87 × 134,994,563.69 - Step 4: Simplify right side
138,808,234.11x = 27,940,009,635,892,844 - Step 5: Solve for x
x = 27,940,009,635,892,844/138,808,234.11 - Step 6: Final answer
x = 201,284,958.45
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.