Finding the Fourth Proportional to 168,371,207.48, 230,664,694.43 and 162,076,266.36
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Solution
The fourth proportional to 168,371,207.48, 230,664,694.43 and 162,076,266.36 is: 222,040,769.40
Step by Step Solution
- Step 1: Write the proportion equation
168,371,207.48 : 230,664,694.43 = 162,076,266.36 : x - Step 2: Convert to fraction form
168,371,207.48/230,664,694.43 = 162,076,266.36/x - Step 3: Cross multiply
168,371,207.48x = 230,664,694.43 × 162,076,266.36 - Step 4: Simplify right side
168,371,207.48x = 37,385,272,453,777,392 - Step 5: Solve for x
x = 37,385,272,453,777,392/168,371,207.48 - Step 6: Final answer
x = 222,040,769.40
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.