Finding the Fourth Proportional to 195,801,725.76, 270,206,519.51 and 107,702,425.68
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Solution
The fourth proportional to 195,801,725.76, 270,206,519.51 and 107,702,425.68 is: 148,629,423.32
Step by Step Solution
- Step 1: Write the proportion equation
195,801,725.76 : 270,206,519.51 = 107,702,425.68 : x - Step 2: Convert to fraction form
195,801,725.76/270,206,519.51 = 107,702,425.68/x - Step 3: Cross multiply
195,801,725.76x = 270,206,519.51 × 107,702,425.68 - Step 4: Simplify right side
195,801,725.76x = 29,101,897,584,426,856 - Step 5: Solve for x
x = 29,101,897,584,426,856/195,801,725.76 - Step 6: Final answer
x = 148,629,423.32
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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.