Finding the Fourth Proportional to 96,224,578.16, 132,661,453.80 and 76,443,975.92
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Solution
The fourth proportional to 96,224,578.16, 132,661,453.80 and 76,443,975.92 is: 105,390,630.69
Step by Step Solution
- Step 1: Write the proportion equation
96,224,578.16 : 132,661,453.80 = 76,443,975.92 : x - Step 2: Convert to fraction form
96,224,578.16/132,661,453.80 = 76,443,975.92/x - Step 3: Cross multiply
96,224,578.16x = 132,661,453.80 × 76,443,975.92 - Step 4: Simplify right side
96,224,578.16x = 10,141,168,979,799,392 - Step 5: Solve for x
x = 10,141,168,979,799,392/96,224,578.16 - Step 6: Final answer
x = 105,390,630.69
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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.