Finding the Fourth Proportional to 126,464,401.71, 174,467,434.28 and 84,661,935.12
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Solution
The fourth proportional to 126,464,401.71, 174,467,434.28 and 84,661,935.12 is: 116,797,694.86
Step by Step Solution
- Step 1: Write the proportion equation
126,464,401.71 : 174,467,434.28 = 84,661,935.12 : x - Step 2: Convert to fraction form
126,464,401.71/174,467,434.28 = 84,661,935.12/x - Step 3: Cross multiply
126,464,401.71x = 174,467,434.28 × 84,661,935.12 - Step 4: Simplify right side
126,464,401.71x = 14,770,750,601,142,916 - Step 5: Solve for x
x = 14,770,750,601,142,916/126,464,401.71 - Step 6: Final answer
x = 116,797,694.86
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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.