Finding the Fourth Proportional to 195,750,834.05, 270,143,160.11 and 107,651,645.15
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Solution
The fourth proportional to 195,750,834.05, 270,143,160.11 and 107,651,645.15 is: 148,563,124.91
Step by Step Solution
- Step 1: Write the proportion equation
195,750,834.05 : 270,143,160.11 = 107,651,645.15 : x - Step 2: Convert to fraction form
195,750,834.05/270,143,160.11 = 107,651,645.15/x - Step 3: Cross multiply
195,750,834.05x = 270,143,160.11 × 107,651,645.15 - Step 4: Simplify right side
195,750,834.05x = 29,081,355,610,376,072 - Step 5: Solve for x
x = 29,081,355,610,376,072/195,750,834.05 - Step 6: Final answer
x = 148,563,124.91
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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.