Finding the Fourth Proportional to 134,919,873.05, 186,189,844.05 and 73,040,063.99
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Solution
The fourth proportional to 134,919,873.05, 186,189,844.05 and 73,040,063.99 is: 100,795,515.26
Step by Step Solution
- Step 1: Write the proportion equation
134,919,873.05 : 186,189,844.05 = 73,040,063.99 : x - Step 2: Convert to fraction form
134,919,873.05/186,189,844.05 = 73,040,063.99/x - Step 3: Cross multiply
134,919,873.05x = 186,189,844.05 × 73,040,063.99 - Step 4: Simplify right side
134,919,873.05x = 13,599,318,122,769,172 - Step 5: Solve for x
x = 13,599,318,122,769,172/134,919,873.05 - Step 6: Final answer
x = 100,795,515.26
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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.