Finding the Fourth Proportional to 239,430,093.30, 330,413,382.60 and 129,421,806.30
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Solution
The fourth proportional to 239,430,093.30, 330,413,382.60 and 129,421,806.30 is: 178,602,013.69
Step by Step Solution
- Step 1: Write the proportion equation
239,430,093.30 : 330,413,382.60 = 129,421,806.30 : x - Step 2: Convert to fraction form
239,430,093.30/330,413,382.60 = 129,421,806.30/x - Step 3: Cross multiply
239,430,093.30x = 330,413,382.60 × 129,421,806.30 - Step 4: Simplify right side
239,430,093.30x = 42,762,696,801,784,992 - Step 5: Solve for x
x = 42,762,696,801,784,992/239,430,093.30 - Step 6: Final answer
x = 178,602,013.69
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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.