Finding the Fourth Proportional to 176,202,801.20, 264,304,201.80 and 130,853,169.20
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Solution
The fourth proportional to 176,202,801.20, 264,304,201.80 and 130,853,169.20 is: 196,279,753.80
Step by Step Solution
- Step 1: Write the proportion equation
176,202,801.20 : 264,304,201.80 = 130,853,169.20 : x - Step 2: Convert to fraction form
176,202,801.20/264,304,201.80 = 130,853,169.20/x - Step 3: Cross multiply
176,202,801.20x = 264,304,201.80 × 130,853,169.20 - Step 4: Simplify right side
176,202,801.20x = 34,585,042,438,406,348 - Step 5: Solve for x
x = 34,585,042,438,406,348/176,202,801.20 - Step 6: Final answer
x = 196,279,753.80
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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.