Finding the Fourth Proportional to 57,122,732.98, 85,685,635.64 and 16,177,944.21
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Solution
The fourth proportional to 57,122,732.98, 85,685,635.64 and 16,177,944.21 is: 24,267,351.38
Step by Step Solution
- Step 1: Write the proportion equation
57,122,732.98 : 85,685,635.64 = 16,177,944.21 : x - Step 2: Convert to fraction form
57,122,732.98/85,685,635.64 = 16,177,944.21/x - Step 3: Cross multiply
57,122,732.98x = 85,685,635.64 × 16,177,944.21 - Step 4: Simplify right side
57,122,732.98x = 1,386,217,432,982,307.75 - Step 5: Solve for x
x = 1,386,217,432,982,307.75/57,122,732.98 - Step 6: Final answer
x = 24,267,351.38
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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.