Finding the Fourth Proportional to 99,675,102.30, 149,540,647.05 and 48,558,788.70
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Solution
The fourth proportional to 99,675,102.30, 149,540,647.05 and 48,558,788.70 is: 72,851,820.71
Step by Step Solution
- Step 1: Write the proportion equation
99,675,102.30 : 149,540,647.05 = 48,558,788.70 : x - Step 2: Convert to fraction form
99,675,102.30/149,540,647.05 = 48,558,788.70/x - Step 3: Cross multiply
99,675,102.30x = 149,540,647.05 × 48,558,788.70 - Step 4: Simplify right side
99,675,102.30x = 7,261,512,682,162,229 - Step 5: Solve for x
x = 7,261,512,682,162,229/99,675,102.30 - Step 6: Final answer
x = 72,851,820.71
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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.