Finding the Fourth Proportional to 84,226,234.32, 126,339,337.08 and 45,919,962
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Solution
The fourth proportional to 84,226,234.32, 126,339,337.08 and 45,919,962 is: 68,879,935.15
Step by Step Solution
- Step 1: Write the proportion equation
84,226,234.32 : 126,339,337.08 = 45,919,962 : x - Step 2: Convert to fraction form
84,226,234.32/126,339,337.08 = 45,919,962/x - Step 3: Cross multiply
84,226,234.32x = 126,339,337.08 × 45,919,962 - Step 4: Simplify right side
84,226,234.32x = 5,801,497,557,818,791 - Step 5: Solve for x
x = 5,801,497,557,818,791/84,226,234.32 - Step 6: Final answer
x = 68,879,935.15
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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.