Finding the Fourth Proportional to 82,960,972.80, 124,441,459.20 and 44,697,220.80
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Solution
The fourth proportional to 82,960,972.80, 124,441,459.20 and 44,697,220.80 is: 67,045,831.20
Step by Step Solution
- Step 1: Write the proportion equation
82,960,972.80 : 124,441,459.20 = 44,697,220.80 : x - Step 2: Convert to fraction form
82,960,972.80/124,441,459.20 = 44,697,220.80/x - Step 3: Cross multiply
82,960,972.80x = 124,441,459.20 × 44,697,220.80 - Step 4: Simplify right side
82,960,972.80x = 5,562,187,378,536,591 - Step 5: Solve for x
x = 5,562,187,378,536,591/82,960,972.80 - Step 6: Final answer
x = 67,045,831.20
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1.5x scale
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.