Finding the Fourth Proportional to 68,496,713.62, 102,762,216.61 and 19,974,573.05
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Solution
The fourth proportional to 68,496,713.62, 102,762,216.61 and 19,974,573.05 is: 29,966,859.63
Step by Step Solution
- Step 1: Write the proportion equation
68,496,713.62 : 102,762,216.61 = 19,974,573.05 : x - Step 2: Convert to fraction form
68,496,713.62/102,762,216.61 = 19,974,573.05/x - Step 3: Cross multiply
68,496,713.62x = 102,762,216.61 × 19,974,573.05 - Step 4: Simplify right side
68,496,713.62x = 2,052,631,401,892,621 - Step 5: Solve for x
x = 2,052,631,401,892,621/68,496,713.62 - Step 6: Final answer
x = 29,966,859.63
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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.