Finding the Fourth Proportional to 82,862,806.20, 124,294,209.30 and 52,704,367.80
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Solution
The fourth proportional to 82,862,806.20, 124,294,209.30 and 52,704,367.80 is: 79,056,551.70
Step by Step Solution
- Step 1: Write the proportion equation
82,862,806.20 : 124,294,209.30 = 52,704,367.80 : x - Step 2: Convert to fraction form
82,862,806.20/124,294,209.30 = 52,704,367.80/x - Step 3: Cross multiply
82,862,806.20x = 124,294,209.30 × 52,704,367.80 - Step 4: Simplify right side
82,862,806.20x = 6,550,847,722,357,380 - Step 5: Solve for x
x = 6,550,847,722,357,380/82,862,806.20 - Step 6: Final answer
x = 79,056,551.70
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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.