Finding the Fourth Proportional to 239,040,944.37, 329,877,186.56 and 138,588,903.32
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Solution
The fourth proportional to 239,040,944.37, 329,877,186.56 and 138,588,903.32 is: 191,253,082.75
Step by Step Solution
- Step 1: Write the proportion equation
239,040,944.37 : 329,877,186.56 = 138,588,903.32 : x - Step 2: Convert to fraction form
239,040,944.37/329,877,186.56 = 138,588,903.32/x - Step 3: Cross multiply
239,040,944.37x = 329,877,186.56 × 138,588,903.32 - Step 4: Simplify right side
239,040,944.37x = 45,717,317,513,816,208 - Step 5: Solve for x
x = 45,717,317,513,816,208/239,040,944.37 - Step 6: Final answer
x = 191,253,082.75
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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.