Finding the Fourth Proportional to 119,122,273.28, 164,392,729.19 and 66,201,211.44
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Solution
The fourth proportional to 119,122,273.28, 164,392,729.19 and 66,201,211.44 is: 91,359,890.35
Step by Step Solution
- Step 1: Write the proportion equation
119,122,273.28 : 164,392,729.19 = 66,201,211.44 : x - Step 2: Convert to fraction form
119,122,273.28/164,392,729.19 = 66,201,211.44/x - Step 3: Cross multiply
119,122,273.28x = 164,392,729.19 × 66,201,211.44 - Step 4: Simplify right side
119,122,273.28x = 10,882,997,824,471,352 - Step 5: Solve for x
x = 10,882,997,824,471,352/119,122,273.28 - Step 6: Final answer
x = 91,359,890.35
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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.