Finding the Fourth Proportional to 134,600,728.20, 201,901,092.30 and 48,352,446.60
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Solution
The fourth proportional to 134,600,728.20, 201,901,092.30 and 48,352,446.60 is: 72,528,669.90
Step by Step Solution
- Step 1: Write the proportion equation
134,600,728.20 : 201,901,092.30 = 48,352,446.60 : x - Step 2: Convert to fraction form
134,600,728.20/201,901,092.30 = 48,352,446.60/x - Step 3: Cross multiply
134,600,728.20x = 201,901,092.30 × 48,352,446.60 - Step 4: Simplify right side
134,600,728.20x = 9,762,411,783,917,422 - Step 5: Solve for x
x = 9,762,411,783,917,422/134,600,728.20 - Step 6: Final answer
x = 72,528,669.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.