Finding the Fourth Proportional to 84,237,469.92, 126,363,916.08 and 23,652,787.68
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Solution
The fourth proportional to 84,237,469.92, 126,363,916.08 and 23,652,787.68 is: 35,481,346.72
Step by Step Solution
- Step 1: Write the proportion equation
84,237,469.92 : 126,363,916.08 = 23,652,787.68 : x - Step 2: Convert to fraction form
84,237,469.92/126,363,916.08 = 23,652,787.68/x - Step 3: Cross multiply
84,237,469.92x = 126,363,916.08 × 23,652,787.68 - Step 4: Simplify right side
84,237,469.92x = 2,988,858,877,453,578 - Step 5: Solve for x
x = 2,988,858,877,453,578/84,237,469.92 - Step 6: Final answer
x = 35,481,346.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.