Finding the Fourth Proportional to 235,438,888.67, 324,903,088.06 and 129,590,040.91
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Solution
The fourth proportional to 235,438,888.67, 324,903,088.06 and 129,590,040.91 is: 178,832,837.31
Step by Step Solution
- Step 1: Write the proportion equation
235,438,888.67 : 324,903,088.06 = 129,590,040.91 : x - Step 2: Convert to fraction form
235,438,888.67/324,903,088.06 = 129,590,040.91/x - Step 3: Cross multiply
235,438,888.67x = 324,903,088.06 × 129,590,040.91 - Step 4: Simplify right side
235,438,888.67x = 42,104,204,473,480,728 - Step 5: Solve for x
x = 42,104,204,473,480,728/235,438,888.67 - Step 6: Final answer
x = 178,832,837.31
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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.