Finding the Fourth Proportional to 51,568,472.16, 71,165,837.88 and 28,364,207.94
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Solution
The fourth proportional to 51,568,472.16, 71,165,837.88 and 28,364,207.94 is: 39,143,347.46
Step by Step Solution
- Step 1: Write the proportion equation
51,568,472.16 : 71,165,837.88 = 28,364,207.94 : x - Step 2: Convert to fraction form
51,568,472.16/71,165,837.88 = 28,364,207.94/x - Step 3: Cross multiply
51,568,472.16x = 71,165,837.88 × 28,364,207.94 - Step 4: Simplify right side
51,568,472.16x = 2,018,562,623,852,648.75 - Step 5: Solve for x
x = 2,018,562,623,852,648.75/51,568,472.16 - Step 6: Final answer
x = 39,143,347.46
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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.