Finding the Fourth Proportional to 215,757,462.33, 297,672,441.05 and 122,872,204.35
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Solution
The fourth proportional to 215,757,462.33, 297,672,441.05 and 122,872,204.35 is: 169,522,150.52
Step by Step Solution
- Step 1: Write the proportion equation
215,757,462.33 : 297,672,441.05 = 122,872,204.35 : x - Step 2: Convert to fraction form
215,757,462.33/297,672,441.05 = 122,872,204.35/x - Step 3: Cross multiply
215,757,462.33x = 297,672,441.05 × 122,872,204.35 - Step 4: Simplify right side
215,757,462.33x = 36,575,669,005,444,568 - Step 5: Solve for x
x = 36,575,669,005,444,568/215,757,462.33 - Step 6: Final answer
x = 169,522,150.52
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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.