Finding the Fourth Proportional to 82,989,992.10, 124,401,007.35 and 48,893,787.30
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Solution
The fourth proportional to 82,989,992.10, 124,401,007.35 and 48,893,787.30 is: 73,291,203.43
Step by Step Solution
- Step 1: Write the proportion equation
82,989,992.10 : 124,401,007.35 = 48,893,787.30 : x - Step 2: Convert to fraction form
82,989,992.10/124,401,007.35 = 48,893,787.30/x - Step 3: Cross multiply
82,989,992.10x = 124,401,007.35 × 48,893,787.30 - Step 4: Simplify right side
82,989,992.10x = 6,082,436,393,276,636 - Step 5: Solve for x
x = 6,082,436,393,276,636/82,989,992.10 - Step 6: Final answer
x = 73,291,203.43
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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.