Finding the Fourth Proportional to 82,936,551.80, 124,313,589.30 and 29,056,129.40
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Solution
The fourth proportional to 82,936,551.80, 124,313,589.30 and 29,056,129.40 is: 43,552,229.49
Step by Step Solution
- Step 1: Write the proportion equation
82,936,551.80 : 124,313,589.30 = 29,056,129.40 : x - Step 2: Convert to fraction form
82,936,551.80/124,313,589.30 = 29,056,129.40/x - Step 3: Cross multiply
82,936,551.80x = 124,313,589.30 × 29,056,129.40 - Step 4: Simplify right side
82,936,551.80x = 3,612,071,736,879,255 - Step 5: Solve for x
x = 3,612,071,736,879,255/82,936,551.80 - Step 6: Final answer
x = 43,552,229.49
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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.