Finding the Fourth Proportional to 168,460,225.20, 252,491,272.20 and 71,415,745.20
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Solution
The fourth proportional to 168,460,225.20, 252,491,272.20 and 71,415,745.20 is: 107,039,227.45
Step by Step Solution
- Step 1: Write the proportion equation
168,460,225.20 : 252,491,272.20 = 71,415,745.20 : x - Step 2: Convert to fraction form
168,460,225.20/252,491,272.20 = 71,415,745.20/x - Step 3: Cross multiply
168,460,225.20x = 252,491,272.20 × 71,415,745.20 - Step 4: Simplify right side
168,460,225.20x = 18,031,852,360,659,044 - Step 5: Solve for x
x = 18,031,852,360,659,044/168,460,225.20 - Step 6: Final answer
x = 107,039,227.45
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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.