Finding the Fourth Proportional to 129,797,257,676.14, 179,121,267,299.27 and 71,926,604,153.04
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Solution
The fourth proportional to 129,797,257,676.14, 179,121,267,299.27 and 71,926,604,153.04 is: 99,259,296,529.76
Step by Step Solution
- Step 1: Write the proportion equation
129,797,257,676.14 : 179,121,267,299.27 = 71,926,604,153.04 : x - Step 2: Convert to fraction form
129,797,257,676.14/179,121,267,299.27 = 71,926,604,153.04/x - Step 3: Cross multiply
129,797,257,676.14x = 179,121,267,299.27 × 71,926,604,153.04 - Step 4: Simplify right side
129,797,257,676.14x = 12,883,584,488,425,459,286,016 - Step 5: Solve for x
x = 12,883,584,488,425,459,286,016/129,797,257,676.14 - Step 6: Final answer
x = 99,259,296,529.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.