Finding the Fourth Proportional to 141,526,143.81, 195,273,765.63 and 79,623,896.13
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Solution
The fourth proportional to 141,526,143.81, 195,273,765.63 and 79,623,896.13 is: 109,862,797.17
Step by Step Solution
- Step 1: Write the proportion equation
141,526,143.81 : 195,273,765.63 = 79,623,896.13 : x - Step 2: Convert to fraction form
141,526,143.81/195,273,765.63 = 79,623,896.13/x - Step 3: Cross multiply
141,526,143.81x = 195,273,765.63 × 79,623,896.13 - Step 4: Simplify right side
141,526,143.81x = 15,548,458,031,437,082 - Step 5: Solve for x
x = 15,548,458,031,437,082/141,526,143.81 - Step 6: Final answer
x = 109,862,797.17
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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.