Finding the Fourth Proportional to 116,615,297.84, 160,930,212.75 and 66,377,062.91
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Solution
The fourth proportional to 116,615,297.84, 160,930,212.75 and 66,377,062.91 is: 91,600,973.92
Step by Step Solution
- Step 1: Write the proportion equation
116,615,297.84 : 160,930,212.75 = 66,377,062.91 : x - Step 2: Convert to fraction form
116,615,297.84/160,930,212.75 = 66,377,062.91/x - Step 3: Cross multiply
116,615,297.84x = 160,930,212.75 × 66,377,062.91 - Step 4: Simplify right side
116,615,297.84x = 10,682,074,856,228,760 - Step 5: Solve for x
x = 10,682,074,856,228,760/116,615,297.84 - Step 6: Final answer
x = 91,600,973.92
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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.