Finding the Fourth Proportional to 138,384,257,520.70, 207,555,412,910.97 and 37,662,973,887.90
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Solution
The fourth proportional to 138,384,257,520.70, 207,555,412,910.97 and 37,662,973,887.90 is: 56,488,752,671.80
Step by Step Solution
- Step 1: Write the proportion equation
138,384,257,520.70 : 207,555,412,910.97 = 37,662,973,887.90 : x - Step 2: Convert to fraction form
138,384,257,520.70/207,555,412,910.97 = 37,662,973,887.90/x - Step 3: Cross multiply
138,384,257,520.70x = 207,555,412,910.97 × 37,662,973,887.90 - Step 4: Simplify right side
138,384,257,520.70x = 7,817,154,096,758,166,388,736 - Step 5: Solve for x
x = 7,817,154,096,758,166,388,736/138,384,257,520.70 - Step 6: Final answer
x = 56,488,752,671.80
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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.