Finding the Fourth Proportional to 124,982,080.97, 187,482,101.85 and 43,099,781.31
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Solution
The fourth proportional to 124,982,080.97, 187,482,101.85 and 43,099,781.31 is: 64,652,768.84
Step by Step Solution
- Step 1: Write the proportion equation
124,982,080.97 : 187,482,101.85 = 43,099,781.31 : x - Step 2: Convert to fraction form
124,982,080.97/187,482,101.85 = 43,099,781.31/x - Step 3: Cross multiply
124,982,080.97x = 187,482,101.85 × 43,099,781.31 - Step 4: Simplify right side
124,982,080.97x = 8,080,437,589,274,147 - Step 5: Solve for x
x = 8,080,437,589,274,147/124,982,080.97 - Step 6: Final answer
x = 64,652,768.84
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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.