Finding the Fourth Proportional to 129,977,446,961.36, 194,979,529,220.30 and 44,987,102,414
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Solution
The fourth proportional to 129,977,446,961.36, 194,979,529,220.30 and 44,987,102,414 is: 67,485,277,290.26
Step by Step Solution
- Step 1: Write the proportion equation
129,977,446,961.36 : 194,979,529,220.30 = 44,987,102,414 : x - Step 2: Convert to fraction form
129,977,446,961.36/194,979,529,220.30 = 44,987,102,414/x - Step 3: Cross multiply
129,977,446,961.36x = 194,979,529,220.30 × 44,987,102,414 - Step 4: Simplify right side
129,977,446,961.36x = 8,771,564,049,667,141,402,624 - Step 5: Solve for x
x = 8,771,564,049,667,141,402,624/129,977,446,961.36 - Step 6: Final answer
x = 67,485,277,290.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.