Finding the Fourth Proportional to 235,438,935.66, 324,903,152.79 and 129,590,087.76
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Solution
The fourth proportional to 235,438,935.66, 324,903,152.79 and 129,590,087.76 is: 178,832,901.90
Step by Step Solution
- Step 1: Write the proportion equation
235,438,935.66 : 324,903,152.79 = 129,590,087.76 : x - Step 2: Convert to fraction form
235,438,935.66/324,903,152.79 = 129,590,087.76/x - Step 3: Cross multiply
235,438,935.66x = 324,903,152.79 × 129,590,087.76 - Step 4: Simplify right side
235,438,935.66x = 42,104,228,083,556,792 - Step 5: Solve for x
x = 42,104,228,083,556,792/235,438,935.66 - Step 6: Final answer
x = 178,832,901.90
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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.