Finding the Fourth Proportional to 87,418,307.39, 120,634,104.20 and 48,259,244.97
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Solution
The fourth proportional to 87,418,307.39, 120,634,104.20 and 48,259,244.97 is: 66,596,013.58
Step by Step Solution
- Step 1: Write the proportion equation
87,418,307.39 : 120,634,104.20 = 48,259,244.97 : x - Step 2: Convert to fraction form
87,418,307.39/120,634,104.20 = 48,259,244.97/x - Step 3: Cross multiply
87,418,307.39x = 120,634,104.20 × 48,259,244.97 - Step 4: Simplify right side
87,418,307.39x = 5,821,710,786,083,009 - Step 5: Solve for x
x = 5,821,710,786,083,009/87,418,307.39 - Step 6: Final answer
x = 66,596,013.58
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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.