Finding the Fourth Proportional to 68,496,682.87, 102,762,170.42 and 19,974,542.23
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Solution
The fourth proportional to 68,496,682.87, 102,762,170.42 and 19,974,542.23 is: 29,966,813.38
Step by Step Solution
- Step 1: Write the proportion equation
68,496,682.87 : 102,762,170.42 = 19,974,542.23 : x - Step 2: Convert to fraction form
68,496,682.87/102,762,170.42 = 19,974,542.23/x - Step 3: Cross multiply
68,496,682.87x = 102,762,170.42 × 19,974,542.23 - Step 4: Simplify right side
68,496,682.87x = 2,052,627,312,343,968.75 - Step 5: Solve for x
x = 2,052,627,312,343,968.75/68,496,682.87 - Step 6: Final answer
x = 29,966,813.38
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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.