Finding the Fourth Proportional to 248,101,764.26, 342,126,656.82 and 164,440,845.81
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Solution
The fourth proportional to 248,101,764.26, 342,126,656.82 and 164,440,845.81 is: 226,760,164.28
Step by Step Solution
- Step 1: Write the proportion equation
248,101,764.26 : 342,126,656.82 = 164,440,845.81 : x - Step 2: Convert to fraction form
248,101,764.26/342,126,656.82 = 164,440,845.81/x - Step 3: Cross multiply
248,101,764.26x = 342,126,656.82 × 164,440,845.81 - Step 4: Simplify right side
248,101,764.26x = 56,259,596,821,628,408 - Step 5: Solve for x
x = 56,259,596,821,628,408/248,101,764.26 - Step 6: Final answer
x = 226,760,164.28
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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.