Finding the Fourth Proportional to 207,098,350.67, 285,801,797.79 and 113,018,572.08
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Solution
The fourth proportional to 207,098,350.67, 285,801,797.79 and 113,018,572.08 is: 155,968,944.12
Step by Step Solution
- Step 1: Write the proportion equation
207,098,350.67 : 285,801,797.79 = 113,018,572.08 : x - Step 2: Convert to fraction form
207,098,350.67/285,801,797.79 = 113,018,572.08/x - Step 3: Cross multiply
207,098,350.67x = 285,801,797.79 × 113,018,572.08 - Step 4: Simplify right side
207,098,350.67x = 32,300,911,083,698,880 - Step 5: Solve for x
x = 32,300,911,083,698,880/207,098,350.67 - Step 6: Final answer
x = 155,968,944.12
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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.