Finding the Fourth Proportional to 168,642,739.10, 252,964,108.65 and 168,642,739.10
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Solution
The fourth proportional to 168,642,739.10, 252,964,108.65 and 168,642,739.10 is: 252,964,108.65
Step by Step Solution
- Step 1: Write the proportion equation
168,642,739.10 : 252,964,108.65 = 168,642,739.10 : x - Step 2: Convert to fraction form
168,642,739.10/252,964,108.65 = 168,642,739.10/x - Step 3: Cross multiply
168,642,739.10x = 252,964,108.65 × 168,642,739.10 - Step 4: Simplify right side
168,642,739.10x = 42,660,560,176,726,000 - Step 5: Solve for x
x = 42,660,560,176,726,000/168,642,739.10 - Step 6: Final answer
x = 252,964,108.65
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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.