Finding the Fourth Proportional to 103,673,872.49, 155,519,738.99 and 26,997,040.13
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Solution
The fourth proportional to 103,673,872.49, 155,519,738.99 and 26,997,040.13 is: 40,497,885.66
Step by Step Solution
- Step 1: Write the proportion equation
103,673,872.49 : 155,519,738.99 = 26,997,040.13 : x - Step 2: Convert to fraction form
103,673,872.49/155,519,738.99 = 26,997,040.13/x - Step 3: Cross multiply
103,673,872.49x = 155,519,738.99 × 26,997,040.13 - Step 4: Simplify right side
103,673,872.49x = 4,198,572,634,520,156 - Step 5: Solve for x
x = 4,198,572,634,520,156/103,673,872.49 - Step 6: Final answer
x = 40,497,885.66
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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.