Finding the Fourth Proportional to 82,843,931.84, 124,265,832.12 and 22,259,657.84
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Solution
The fourth proportional to 82,843,931.84, 124,265,832.12 and 22,259,657.84 is: 33,389,469.12
Step by Step Solution
- Step 1: Write the proportion equation
82,843,931.84 : 124,265,832.12 = 22,259,657.84 : x - Step 2: Convert to fraction form
82,843,931.84/124,265,832.12 = 22,259,657.84/x - Step 3: Cross multiply
82,843,931.84x = 124,265,832.12 × 22,259,657.84 - Step 4: Simplify right side
82,843,931.84x = 2,766,114,903,572,753 - Step 5: Solve for x
x = 2,766,114,903,572,753/82,843,931.84 - Step 6: Final answer
x = 33,389,469.12
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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.