Finding the Fourth Proportional to 82,989,405.80, 124,484,108.70 and 44,725,653.80
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Solution
The fourth proportional to 82,989,405.80, 124,484,108.70 and 44,725,653.80 is: 67,088,480.70
Step by Step Solution
- Step 1: Write the proportion equation
82,989,405.80 : 124,484,108.70 = 44,725,653.80 : x - Step 2: Convert to fraction form
82,989,405.80/124,484,108.70 = 44,725,653.80/x - Step 3: Cross multiply
82,989,405.80x = 124,484,108.70 × 44,725,653.80 - Step 4: Simplify right side
82,989,405.80x = 5,567,633,149,317,768 - Step 5: Solve for x
x = 5,567,633,149,317,768/82,989,405.80 - Step 6: Final answer
x = 67,088,480.70
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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.