Finding the Fourth Proportional to 96,147,212.91, 132,689,663.64 and 54,316,770.09
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Solution
The fourth proportional to 96,147,212.91, 132,689,663.64 and 54,316,770.09 is: 74,960,820.34
Step by Step Solution
- Step 1: Write the proportion equation
96,147,212.91 : 132,689,663.64 = 54,316,770.09 : x - Step 2: Convert to fraction form
96,147,212.91/132,689,663.64 = 54,316,770.09/x - Step 3: Cross multiply
96,147,212.91x = 132,689,663.64 × 54,316,770.09 - Step 4: Simplify right side
96,147,212.91x = 7,207,273,953,253,313 - Step 5: Solve for x
x = 7,207,273,953,253,313/96,147,212.91 - Step 6: Final answer
x = 74,960,820.34
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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.