Finding the Fourth Proportional to 181,430,170.25, 272,146,337.93 and 45,115,553.75
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Solution
The fourth proportional to 181,430,170.25, 272,146,337.93 and 45,115,553.75 is: 67,673,599.81
Step by Step Solution
- Step 1: Write the proportion equation
181,430,170.25 : 272,146,337.93 = 45,115,553.75 : x - Step 2: Convert to fraction form
181,430,170.25/272,146,337.93 = 45,115,553.75/x - Step 3: Cross multiply
181,430,170.25x = 272,146,337.93 × 45,115,553.75 - Step 4: Simplify right side
181,430,170.25x = 12,278,032,735,498,636 - Step 5: Solve for x
x = 12,278,032,735,498,636/181,430,170.25 - Step 6: Final answer
x = 67,673,599.81
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1.5x scale
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.