Finding the Fourth Proportional to 261,044,087.79, 391,560,443.61 and 122,793,064.41
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Solution
The fourth proportional to 261,044,087.79, 391,560,443.61 and 122,793,064.41 is: 184,186,920.99
Step by Step Solution
- Step 1: Write the proportion equation
261,044,087.79 : 391,560,443.61 = 122,793,064.41 : x - Step 2: Convert to fraction form
261,044,087.79/391,560,443.61 = 122,793,064.41/x - Step 3: Cross multiply
261,044,087.79x = 391,560,443.61 × 122,793,064.41 - Step 4: Simplify right side
261,044,087.79x = 48,080,906,773,985,200 - Step 5: Solve for x
x = 48,080,906,773,985,200/261,044,087.79 - Step 6: Final answer
x = 184,186,920.99
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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.