Finding the Fourth Proportional to 236,197,246.20, 354,295,869.30 and 132,885,115.80
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Solution
The fourth proportional to 236,197,246.20, 354,295,869.30 and 132,885,115.80 is: 199,327,673.70
Step by Step Solution
- Step 1: Write the proportion equation
236,197,246.20 : 354,295,869.30 = 132,885,115.80 : x - Step 2: Convert to fraction form
236,197,246.20/354,295,869.30 = 132,885,115.80/x - Step 3: Cross multiply
236,197,246.20x = 354,295,869.30 × 132,885,115.80 - Step 4: Simplify right side
236,197,246.20x = 47,080,647,619,392,168 - Step 5: Solve for x
x = 47,080,647,619,392,168/236,197,246.20 - Step 6: Final answer
x = 199,327,673.70
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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.