Finding the Fourth Proportional to 126,984,440,197.11, 175,242,248,672.88 and 69,116,568,105.82
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Solution
The fourth proportional to 126,984,440,197.11, 175,242,248,672.88 and 69,116,568,105.82 is: 95,382,889,404.52
Step by Step Solution
- Step 1: Write the proportion equation
126,984,440,197.11 : 175,242,248,672.88 = 69,116,568,105.82 : x - Step 2: Convert to fraction form
126,984,440,197.11/175,242,248,672.88 = 69,116,568,105.82/x - Step 3: Cross multiply
126,984,440,197.11x = 175,242,248,672.88 × 69,116,568,105.82 - Step 4: Simplify right side
126,984,440,197.11x = 12,112,142,815,416,157,208,576 - Step 5: Solve for x
x = 12,112,142,815,416,157,208,576/126,984,440,197.11 - Step 6: Final answer
x = 95,382,889,404.52
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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.