Finding the Fourth Proportional to 194,942,448.80, 292,413,673.20 and 164,331,447.20
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Solution
The fourth proportional to 194,942,448.80, 292,413,673.20 and 164,331,447.20 is: 246,497,170.80
Step by Step Solution
- Step 1: Write the proportion equation
194,942,448.80 : 292,413,673.20 = 164,331,447.20 : x - Step 2: Convert to fraction form
194,942,448.80/292,413,673.20 = 164,331,447.20/x - Step 3: Cross multiply
194,942,448.80x = 292,413,673.20 × 164,331,447.20 - Step 4: Simplify right side
194,942,448.80x = 48,052,762,098,023,848 - Step 5: Solve for x
x = 48,052,762,098,023,848/194,942,448.80 - Step 6: Final answer
x = 246,497,170.80
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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.