Finding the Fourth Proportional to 55,496,721.54, 83,273,785.68 and 40,269,553.02
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Solution
The fourth proportional to 55,496,721.54, 83,273,785.68 and 40,269,553.02 is: 60,425,157.28
Step by Step Solution
- Step 1: Write the proportion equation
55,496,721.54 : 83,273,785.68 = 40,269,553.02 : x - Step 2: Convert to fraction form
55,496,721.54/83,273,785.68 = 40,269,553.02/x - Step 3: Cross multiply
55,496,721.54x = 83,273,785.68 × 40,269,553.02 - Step 4: Simplify right side
55,496,721.54x = 3,353,398,127,616,877.50 - Step 5: Solve for x
x = 3,353,398,127,616,877.50/55,496,721.54 - Step 6: Final answer
x = 60,425,157.28
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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.