Finding the Fourth Proportional to 96,147,228.92, 132,689,685.74 and 54,316,786.12
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Solution
The fourth proportional to 96,147,228.92, 132,689,685.74 and 54,316,786.12 is: 74,960,842.47
Step by Step Solution
- Step 1: Write the proportion equation
96,147,228.92 : 132,689,685.74 = 54,316,786.12 : x - Step 2: Convert to fraction form
96,147,228.92/132,689,685.74 = 54,316,786.12/x - Step 3: Cross multiply
96,147,228.92x = 132,689,685.74 × 54,316,786.12 - Step 4: Simplify right side
96,147,228.92x = 7,207,277,280,669,593 - Step 5: Solve for x
x = 7,207,277,280,669,593/96,147,228.92 - Step 6: Final answer
x = 74,960,842.47
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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.