Finding the Fourth Proportional to 82,943,998.10, 124,415,997.15 and 22,365,847.70
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Solution
The fourth proportional to 82,943,998.10, 124,415,997.15 and 22,365,847.70 is: 33,548,771.55
Step by Step Solution
- Step 1: Write the proportion equation
82,943,998.10 : 124,415,997.15 = 22,365,847.70 : x - Step 2: Convert to fraction form
82,943,998.10/124,415,997.15 = 22,365,847.70/x - Step 3: Cross multiply
82,943,998.10x = 124,415,997.15 × 22,365,847.70 - Step 4: Simplify right side
82,943,998.10x = 2,782,669,243,700,534 - Step 5: Solve for x
x = 2,782,669,243,700,534/82,943,998.10 - Step 6: Final answer
x = 33,548,771.55
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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.