Finding the Fourth Proportional to 206,412,877.74, 309,256,109.10 and 194,124,387.18
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Solution
The fourth proportional to 206,412,877.74, 309,256,109.10 and 194,124,387.18 is: 290,844,996.29
Step by Step Solution
- Step 1: Write the proportion equation
206,412,877.74 : 309,256,109.10 = 194,124,387.18 : x - Step 2: Convert to fraction form
206,412,877.74/309,256,109.10 = 194,124,387.18/x - Step 3: Cross multiply
206,412,877.74x = 309,256,109.10 × 194,124,387.18 - Step 4: Simplify right side
206,412,877.74x = 60,034,152,660,708,728 - Step 5: Solve for x
x = 60,034,152,660,708,728/206,412,877.74 - Step 6: Final answer
x = 290,844,996.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.