Finding the Fourth Proportional to 239,684,579.88, 330,764,608.26 and 135,284,548.20
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Solution
The fourth proportional to 239,684,579.88, 330,764,608.26 and 135,284,548.20 is: 186,692,613.31
Step by Step Solution
- Step 1: Write the proportion equation
239,684,579.88 : 330,764,608.26 = 135,284,548.20 : x - Step 2: Convert to fraction form
239,684,579.88/330,764,608.26 = 135,284,548.20/x - Step 3: Cross multiply
239,684,579.88x = 330,764,608.26 × 135,284,548.20 - Step 4: Simplify right side
239,684,579.88x = 44,747,340,589,004,080 - Step 5: Solve for x
x = 44,747,340,589,004,080/239,684,579.88 - Step 6: Final answer
x = 186,692,613.31
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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.