Finding the Fourth Proportional to 69,394,755.84, 104,091,380.64 and 28,445,065.44
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Solution
The fourth proportional to 69,394,755.84, 104,091,380.64 and 28,445,065.44 is: 42,667,289.45
Step by Step Solution
- Step 1: Write the proportion equation
69,394,755.84 : 104,091,380.64 = 28,445,065.44 : x - Step 2: Convert to fraction form
69,394,755.84/104,091,380.64 = 28,445,065.44/x - Step 3: Cross multiply
69,394,755.84x = 104,091,380.64 × 28,445,065.44 - Step 4: Simplify right side
69,394,755.84x = 2,960,886,134,044,749 - Step 5: Solve for x
x = 2,960,886,134,044,749/69,394,755.84 - Step 6: Final answer
x = 42,667,289.45
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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.