Finding the Fourth Proportional to 51,310,186.49, 76,975,181.89 and 16,757,299.17
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Solution
The fourth proportional to 51,310,186.49, 76,975,181.89 and 16,757,299.17 is: 25,139,182.68
Step by Step Solution
- Step 1: Write the proportion equation
51,310,186.49 : 76,975,181.89 = 16,757,299.17 : x - Step 2: Convert to fraction form
51,310,186.49/76,975,181.89 = 16,757,299.17/x - Step 3: Cross multiply
51,310,186.49x = 76,975,181.89 × 16,757,299.17 - Step 4: Simplify right side
51,310,186.49x = 1,289,896,151,554,002.75 - Step 5: Solve for x
x = 1,289,896,151,554,002.75/51,310,186.49 - Step 6: Final answer
x = 25,139,182.68
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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.