Finding the Fourth Proportional to 194,971,977.60, 269,090,207.00 and 123,451,506.84
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Solution
The fourth proportional to 194,971,977.60, 269,090,207.00 and 123,451,506.84 is: 170,381,364.23
Step by Step Solution
- Step 1: Write the proportion equation
194,971,977.60 : 269,090,207.00 = 123,451,506.84 : x - Step 2: Convert to fraction form
194,971,977.60/269,090,207.00 = 123,451,506.84/x - Step 3: Cross multiply
194,971,977.60x = 269,090,207.00 × 123,451,506.84 - Step 4: Simplify right side
194,971,977.60x = 33,219,591,529,420,260 - Step 5: Solve for x
x = 33,219,591,529,420,260/194,971,977.60 - Step 6: Final answer
x = 170,381,364.23
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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.