Finding the Fourth Proportional to 136,469,355.12, 188,327,700.14 and 73,745,481.11
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Solution
The fourth proportional to 136,469,355.12, 188,327,700.14 and 73,745,481.11 is: 101,768,758.56
Step by Step Solution
- Step 1: Write the proportion equation
136,469,355.12 : 188,327,700.14 = 73,745,481.11 : x - Step 2: Convert to fraction form
136,469,355.12/188,327,700.14 = 73,745,481.11/x - Step 3: Cross multiply
136,469,355.12x = 188,327,700.14 × 73,745,481.11 - Step 4: Simplify right side
136,469,355.12x = 13,888,316,851,853,748 - Step 5: Solve for x
x = 13,888,316,851,853,748/136,469,355.12 - Step 6: Final answer
x = 101,768,758.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.