Finding the Fourth Proportional to 207,178,872,134.70, 285,907,286,635.30 and 116,958,325,758.82
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Solution
The fourth proportional to 207,178,872,134.70, 285,907,286,635.30 and 116,958,325,758.82 is: 161,402,739,683.66
Step by Step Solution
- Step 1: Write the proportion equation
207,178,872,134.70 : 285,907,286,635.30 = 116,958,325,758.82 : x - Step 2: Convert to fraction form
207,178,872,134.70/285,907,286,635.30 = 116,958,325,758.82/x - Step 3: Cross multiply
207,178,872,134.70x = 285,907,286,635.30 × 116,958,325,758.82 - Step 4: Simplify right side
207,178,872,134.70x = 33,439,237,567,111,741,046,784 - Step 5: Solve for x
x = 33,439,237,567,111,741,046,784/207,178,872,134.70 - Step 6: Final answer
x = 161,402,739,683.66
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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.