Finding the Fourth Proportional to 82,257,874.60, 113,515,877.70 and 45,590,812.84
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Solution
The fourth proportional to 82,257,874.60, 113,515,877.70 and 45,590,812.84 is: 62,915,327.68
Step by Step Solution
- Step 1: Write the proportion equation
82,257,874.60 : 113,515,877.70 = 45,590,812.84 : x - Step 2: Convert to fraction form
82,257,874.60/113,515,877.70 = 45,590,812.84/x - Step 3: Cross multiply
82,257,874.60x = 113,515,877.70 × 45,590,812.84 - Step 4: Simplify right side
82,257,874.60x = 5,175,281,134,589,030 - Step 5: Solve for x
x = 5,175,281,134,589,030/82,257,874.60 - Step 6: Final answer
x = 62,915,327.68
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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.