Finding the Fourth Proportional to 82,926,311.70, 114,437,529.09 and 45,756,928.02
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Solution
The fourth proportional to 82,926,311.70, 114,437,529.09 and 45,756,928.02 is: 63,144,129.70
Step by Step Solution
- Step 1: Write the proportion equation
82,926,311.70 : 114,437,529.09 = 45,756,928.02 : x - Step 2: Convert to fraction form
82,926,311.70/114,437,529.09 = 45,756,928.02/x - Step 3: Cross multiply
82,926,311.70x = 114,437,529.09 × 45,756,928.02 - Step 4: Simplify right side
82,926,311.70x = 5,236,309,781,357,787 - Step 5: Solve for x
x = 5,236,309,781,357,787/82,926,311.70 - Step 6: Final answer
x = 63,144,129.70
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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.