Finding the Fourth Proportional to 82,899,291.20, 124,348,936.80 and 26,165,595.20
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Solution
The fourth proportional to 82,899,291.20, 124,348,936.80 and 26,165,595.20 is: 39,248,392.80
Step by Step Solution
- Step 1: Write the proportion equation
82,899,291.20 : 124,348,936.80 = 26,165,595.20 : x - Step 2: Convert to fraction form
82,899,291.20/124,348,936.80 = 26,165,595.20/x - Step 3: Cross multiply
82,899,291.20x = 124,348,936.80 × 26,165,595.20 - Step 4: Simplify right side
82,899,291.20x = 3,253,663,943,859,183 - Step 5: Solve for x
x = 3,253,663,943,859,183/82,899,291.20 - Step 6: Final answer
x = 39,248,392.80
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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.