Finding the Fourth Proportional to 82,945,125.60, 124,417,688.40 and 48,848,920.80
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Solution
The fourth proportional to 82,945,125.60, 124,417,688.40 and 48,848,920.80 is: 73,273,381.20
Step by Step Solution
- Step 1: Write the proportion equation
82,945,125.60 : 124,417,688.40 = 48,848,920.80 : x - Step 2: Convert to fraction form
82,945,125.60/124,417,688.40 = 48,848,920.80/x - Step 3: Cross multiply
82,945,125.60x = 124,417,688.40 × 48,848,920.80 - Step 4: Simplify right side
82,945,125.60x = 6,077,669,806,770,679 - Step 5: Solve for x
x = 6,077,669,806,770,679/82,945,125.60 - Step 6: Final answer
x = 73,273,381.20
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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.