Finding the Fourth Proportional to 129,977,446,962.34, 194,979,529,221.80 and 44,987,102,415.02
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Solution
The fourth proportional to 129,977,446,962.34, 194,979,529,221.80 and 44,987,102,415.02 is: 67,485,277,291.80
Step by Step Solution
- Step 1: Write the proportion equation
129,977,446,962.34 : 194,979,529,221.80 = 44,987,102,415.02 : x - Step 2: Convert to fraction form
129,977,446,962.34/194,979,529,221.80 = 44,987,102,415.02/x - Step 3: Cross multiply
129,977,446,962.34x = 194,979,529,221.80 × 44,987,102,415.02 - Step 4: Simplify right side
129,977,446,962.34x = 8,771,564,049,933,500,678,144 - Step 5: Solve for x
x = 8,771,564,049,933,500,678,144/129,977,446,962.34 - Step 6: Final answer
x = 67,485,277,291.80
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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.