Finding the Fourth Proportional to 229,777,305.05, 317,092,183.30 and 125,355,440.09
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Solution
The fourth proportional to 229,777,305.05, 317,092,183.30 and 125,355,440.09 is: 172,990,235.82
Step by Step Solution
- Step 1: Write the proportion equation
229,777,305.05 : 317,092,183.30 = 125,355,440.09 : x - Step 2: Convert to fraction form
229,777,305.05/317,092,183.30 = 125,355,440.09/x - Step 3: Cross multiply
229,777,305.05x = 317,092,183.30 × 125,355,440.09 - Step 4: Simplify right side
229,777,305.05x = 39,749,230,186,670,448 - Step 5: Solve for x
x = 39,749,230,186,670,448/229,777,305.05 - Step 6: Final answer
x = 172,990,235.82
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1.5x scale
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.