Finding the Fourth Proportional to 82,934,931.40, 124,243,766.70 and 44,583,699.40
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Solution
The fourth proportional to 82,934,931.40, 124,243,766.70 and 44,583,699.40 is: 66,790,273.45
Step by Step Solution
- Step 1: Write the proportion equation
82,934,931.40 : 124,243,766.70 = 44,583,699.40 : x - Step 2: Convert to fraction form
82,934,931.40/124,243,766.70 = 44,583,699.40/x - Step 3: Cross multiply
82,934,931.40x = 124,243,766.70 × 44,583,699.40 - Step 4: Simplify right side
82,934,931.40x = 5,539,246,746,876,530 - Step 5: Solve for x
x = 5,539,246,746,876,530/82,934,931.40 - Step 6: Final answer
x = 66,790,273.45
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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.