Finding the Fourth Proportional to 82,917,670.55, 124,394,701.66 and 25,414,267.19
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Solution
The fourth proportional to 82,917,670.55, 124,394,701.66 and 25,414,267.19 is: 38,126,977.80
Step by Step Solution
- Step 1: Write the proportion equation
82,917,670.55 : 124,394,701.66 = 25,414,267.19 : x - Step 2: Convert to fraction form
82,917,670.55/124,394,701.66 = 25,414,267.19/x - Step 3: Cross multiply
82,917,670.55x = 124,394,701.66 × 25,414,267.19 - Step 4: Simplify right side
82,917,670.55x = 3,161,400,184,322,067 - Step 5: Solve for x
x = 3,161,400,184,322,067/82,917,670.55 - Step 6: Final answer
x = 38,126,977.80
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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.