Finding the Fourth Proportional to 207,178,872,134.19, 285,907,286,634.63 and 116,958,325,758.33
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Solution
The fourth proportional to 207,178,872,134.19, 285,907,286,634.63 and 116,958,325,758.33 is: 161,402,739,683.01
Step by Step Solution
- Step 1: Write the proportion equation
207,178,872,134.19 : 285,907,286,634.63 = 116,958,325,758.33 : x - Step 2: Convert to fraction form
207,178,872,134.19/285,907,286,634.63 = 116,958,325,758.33/x - Step 3: Cross multiply
207,178,872,134.19x = 285,907,286,634.63 × 116,958,325,758.33 - Step 4: Simplify right side
207,178,872,134.19x = 33,439,237,566,893,284,917,248 - Step 5: Solve for x
x = 33,439,237,566,893,284,917,248/207,178,872,134.19 - Step 6: Final answer
x = 161,402,739,683.01
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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.