Finding the Fourth Proportional to 136,822,272.36, 205,244,609.39 and 39,777,861.16
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Solution
The fourth proportional to 136,822,272.36, 205,244,609.39 and 39,777,861.16 is: 59,670,048.12
Step by Step Solution
- Step 1: Write the proportion equation
136,822,272.36 : 205,244,609.39 = 39,777,861.16 : x - Step 2: Convert to fraction form
136,822,272.36/205,244,609.39 = 39,777,861.16/x - Step 3: Cross multiply
136,822,272.36x = 205,244,609.39 × 39,777,861.16 - Step 4: Simplify right side
136,822,272.36x = 8,164,191,575,317,960 - Step 5: Solve for x
x = 8,164,191,575,317,960/136,822,272.36 - Step 6: Final answer
x = 59,670,048.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.