Finding the Fourth Proportional to 82,945,130.60, 124,417,695.90 and 48,848,925.80
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Solution
The fourth proportional to 82,945,130.60, 124,417,695.90 and 48,848,925.80 is: 73,273,388.70
Step by Step Solution
- Step 1: Write the proportion equation
82,945,130.60 : 124,417,695.90 = 48,848,925.80 : x - Step 2: Convert to fraction form
82,945,130.60/124,417,695.90 = 48,848,925.80/x - Step 3: Cross multiply
82,945,130.60x = 124,417,695.90 × 48,848,925.80 - Step 4: Simplify right side
82,945,130.60x = 6,077,670,795,226,064 - Step 5: Solve for x
x = 6,077,670,795,226,064/82,945,130.60 - Step 6: Final answer
x = 73,273,388.70
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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.