Finding the Fourth Proportional to 82,852,498.68, 124,138,106.70 and 49,994,021.28
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Solution
The fourth proportional to 82,852,498.68, 124,138,106.70 and 49,994,021.28 is: 74,906,167.55
Step by Step Solution
- Step 1: Write the proportion equation
82,852,498.68 : 124,138,106.70 = 49,994,021.28 : x - Step 2: Convert to fraction form
82,852,498.68/124,138,106.70 = 49,994,021.28/x - Step 3: Cross multiply
82,852,498.68x = 124,138,106.70 × 49,994,021.28 - Step 4: Simplify right side
82,852,498.68x = 6,206,163,147,879,940 - Step 5: Solve for x
x = 6,206,163,147,879,940/82,852,498.68 - Step 6: Final answer
x = 74,906,167.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.