Finding the Fourth Proportional to 82,930,246.20, 124,395,369.30 and 52,771,807.80
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Solution
The fourth proportional to 82,930,246.20, 124,395,369.30 and 52,771,807.80 is: 79,157,711.70
Step by Step Solution
- Step 1: Write the proportion equation
82,930,246.20 : 124,395,369.30 = 52,771,807.80 : x - Step 2: Convert to fraction form
82,930,246.20/124,395,369.30 = 52,771,807.80/x - Step 3: Cross multiply
82,930,246.20x = 124,395,369.30 × 52,771,807.80 - Step 4: Simplify right side
82,930,246.20x = 6,564,568,519,909,620 - Step 5: Solve for x
x = 6,564,568,519,909,620/82,930,246.20 - Step 6: Final answer
x = 79,157,711.70
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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.