Finding the Fourth Proportional to 84,044,305.80, 126,066,458.70 and 67,038,193.80
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Solution
The fourth proportional to 84,044,305.80, 126,066,458.70 and 67,038,193.80 is: 100,557,290.70
Step by Step Solution
- Step 1: Write the proportion equation
84,044,305.80 : 126,066,458.70 = 67,038,193.80 : x - Step 2: Convert to fraction form
84,044,305.80/126,066,458.70 = 67,038,193.80/x - Step 3: Cross multiply
84,044,305.80x = 126,066,458.70 × 67,038,193.80 - Step 4: Simplify right side
84,044,305.80x = 8,451,267,690,010,296 - Step 5: Solve for x
x = 8,451,267,690,010,296/84,044,305.80 - Step 6: Final answer
x = 100,557,290.70
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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.