Finding the Fourth Proportional to 214,620,812.58, 296,240,948.79 and 125,336,840.64
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Solution
The fourth proportional to 214,620,812.58, 296,240,948.79 and 125,336,840.64 is: 173,002,348.39
Step by Step Solution
- Step 1: Write the proportion equation
214,620,812.58 : 296,240,948.79 = 125,336,840.64 : x - Step 2: Convert to fraction form
214,620,812.58/296,240,948.79 = 125,336,840.64/x - Step 3: Cross multiply
214,620,812.58x = 296,240,948.79 × 125,336,840.64 - Step 4: Simplify right side
214,620,812.58x = 37,129,904,589,534,632 - Step 5: Solve for x
x = 37,129,904,589,534,632/214,620,812.58 - Step 6: Final answer
x = 173,002,348.39
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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.