Finding the Fourth Proportional to 82,734,801.60, 124,102,202.40 and 41,920,132.80
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Solution
The fourth proportional to 82,734,801.60, 124,102,202.40 and 41,920,132.80 is: 62,880,199.20
Step by Step Solution
- Step 1: Write the proportion equation
82,734,801.60 : 124,102,202.40 = 41,920,132.80 : x - Step 2: Convert to fraction form
82,734,801.60/124,102,202.40 = 41,920,132.80/x - Step 3: Cross multiply
82,734,801.60x = 124,102,202.40 × 41,920,132.80 - Step 4: Simplify right side
82,734,801.60x = 5,202,380,805,380,479 - Step 5: Solve for x
x = 5,202,380,805,380,479/82,734,801.60 - Step 6: Final answer
x = 62,880,199.20
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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.