Finding the Fourth Proportional to 82,974,638.17, 124,432,735.29 and 27,627,444.28
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Solution
The fourth proportional to 82,974,638.17, 124,432,735.29 and 27,627,444.28 is: 41,431,436.60
Step by Step Solution
- Step 1: Write the proportion equation
82,974,638.17 : 124,432,735.29 = 27,627,444.28 : x - Step 2: Convert to fraction form
82,974,638.17/124,432,735.29 = 27,627,444.28/x - Step 3: Cross multiply
82,974,638.17x = 124,432,735.29 × 27,627,444.28 - Step 4: Simplify right side
82,974,638.17x = 3,437,758,460,832,465 - Step 5: Solve for x
x = 3,437,758,460,832,465/82,974,638.17 - Step 6: Final answer
x = 41,431,436.60
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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.