Finding the Fourth Proportional to 84,369,712.50, 116,442,627.57 and 53,432,758.26
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Solution
The fourth proportional to 84,369,712.50, 116,442,627.57 and 53,432,758.26 is: 73,745,074.93
Step by Step Solution
- Step 1: Write the proportion equation
84,369,712.50 : 116,442,627.57 = 53,432,758.26 : x - Step 2: Convert to fraction form
84,369,712.50/116,442,627.57 = 53,432,758.26/x - Step 3: Cross multiply
84,369,712.50x = 116,442,627.57 × 53,432,758.26 - Step 4: Simplify right side
84,369,712.50x = 6,221,850,770,107,021 - Step 5: Solve for x
x = 6,221,850,770,107,021/84,369,712.50 - Step 6: Final answer
x = 73,745,074.93
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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.