Finding the Fourth Proportional to 129,977,446,956.34, 194,979,529,212.79 and 44,987,102,409.01
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Solution
The fourth proportional to 129,977,446,956.34, 194,979,529,212.79 and 44,987,102,409.01 is: 67,485,277,282.78
Step by Step Solution
- Step 1: Write the proportion equation
129,977,446,956.34 : 194,979,529,212.79 = 44,987,102,409.01 : x - Step 2: Convert to fraction form
129,977,446,956.34/194,979,529,212.79 = 44,987,102,409.01/x - Step 3: Cross multiply
129,977,446,956.34x = 194,979,529,212.79 × 44,987,102,409.01 - Step 4: Simplify right side
129,977,446,956.34x = 8,771,564,048,356,730,732,544 - Step 5: Solve for x
x = 8,771,564,048,356,730,732,544/129,977,446,956.34 - Step 6: Final answer
x = 67,485,277,282.78
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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.