Finding the Fourth Proportional to 133,035,081.80, 199,552,622.70 and 110,640,201.80
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Solution
The fourth proportional to 133,035,081.80, 199,552,622.70 and 110,640,201.80 is: 165,960,302.70
Step by Step Solution
- Step 1: Write the proportion equation
133,035,081.80 : 199,552,622.70 = 110,640,201.80 : x - Step 2: Convert to fraction form
133,035,081.80/199,552,622.70 = 110,640,201.80/x - Step 3: Cross multiply
133,035,081.80x = 199,552,622.70 × 110,640,201.80 - Step 4: Simplify right side
133,035,081.80x = 22,078,542,445,247,260 - Step 5: Solve for x
x = 22,078,542,445,247,260/133,035,081.80 - Step 6: Final answer
x = 165,960,302.70
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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.