Finding the Fourth Proportional to 82,740,921.12, 114,187,656.84 and 45,571,194
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Solution
The fourth proportional to 82,740,921.12, 114,187,656.84 and 45,571,194 is: 62,891,103.84
Step by Step Solution
- Step 1: Write the proportion equation
82,740,921.12 : 114,187,656.84 = 45,571,194 : x - Step 2: Convert to fraction form
82,740,921.12/114,187,656.84 = 45,571,194/x - Step 3: Cross multiply
82,740,921.12x = 114,187,656.84 × 45,571,194 - Step 4: Simplify right side
82,740,921.12x = 5,203,667,862,261,067 - Step 5: Solve for x
x = 5,203,667,862,261,067/82,740,921.12 - Step 6: Final answer
x = 62,891,103.84
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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.