Finding the Fourth Proportional to 140,480,799,265.18, 193,858,487,028.72 and 79,511,857,459.40
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Solution
The fourth proportional to 140,480,799,265.18, 193,858,487,028.72 and 79,511,857,459.40 is: 109,723,524,271.99
Step by Step Solution
- Step 1: Write the proportion equation
140,480,799,265.18 : 193,858,487,028.72 = 79,511,857,459.40 : x - Step 2: Convert to fraction form
140,480,799,265.18/193,858,487,028.72 = 79,511,857,459.40/x - Step 3: Cross multiply
140,480,799,265.18x = 193,858,487,028.72 × 79,511,857,459.40 - Step 4: Simplify right side
140,480,799,265.18x = 15,414,048,387,921,560,469,504 - Step 5: Solve for x
x = 15,414,048,387,921,560,469,504/140,480,799,265.18 - Step 6: Final answer
x = 109,723,524,271.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.