Finding the Fourth Proportional to 300,163,599.42, 414,221,702.61 and 168,004,556.28
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Solution
The fourth proportional to 300,163,599.42, 414,221,702.61 and 168,004,556.28 is: 231,844,012.68
Step by Step Solution
- Step 1: Write the proportion equation
300,163,599.42 : 414,221,702.61 = 168,004,556.28 : x - Step 2: Convert to fraction form
300,163,599.42/414,221,702.61 = 168,004,556.28/x - Step 3: Cross multiply
300,163,599.42x = 414,221,702.61 × 168,004,556.28 - Step 4: Simplify right side
300,163,599.42x = 69,591,133,348,539,168 - Step 5: Solve for x
x = 69,591,133,348,539,168/300,163,599.42 - Step 6: Final answer
x = 231,844,012.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.