Finding the Fourth Proportional to 49,394,203.20, 68,142,287.88 and 29,804,165.28
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Solution
The fourth proportional to 49,394,203.20, 68,142,287.88 and 29,804,165.28 is: 41,116,646.87
Step by Step Solution
- Step 1: Write the proportion equation
49,394,203.20 : 68,142,287.88 = 29,804,165.28 : x - Step 2: Convert to fraction form
49,394,203.20/68,142,287.88 = 29,804,165.28/x - Step 3: Cross multiply
49,394,203.20x = 68,142,287.88 × 29,804,165.28 - Step 4: Simplify right side
49,394,203.20x = 2,030,924,010,532,860.75 - Step 5: Solve for x
x = 2,030,924,010,532,860.75/49,394,203.20 - Step 6: Final answer
x = 41,116,646.87
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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.