Finding the Fourth Proportional to 126,464,372.84, 174,467,393.68 and 84,661,905.39
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Solution
The fourth proportional to 126,464,372.84, 174,467,393.68 and 84,661,905.39 is: 116,797,653.33
Step by Step Solution
- Step 1: Write the proportion equation
126,464,372.84 : 174,467,393.68 = 84,661,905.39 : x - Step 2: Convert to fraction form
126,464,372.84/174,467,393.68 = 84,661,905.39/x - Step 3: Cross multiply
126,464,372.84x = 174,467,393.68 × 84,661,905.39 - Step 4: Simplify right side
126,464,372.84x = 14,770,741,977,376,044 - Step 5: Solve for x
x = 14,770,741,977,376,044/126,464,372.84 - Step 6: Final answer
x = 116,797,653.33
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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.