Finding the Fourth Proportional to 103,662,237,450.57, 155,493,356,175.87 and 29,132,220,879.21
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Solution
The fourth proportional to 103,662,237,450.57, 155,493,356,175.87 and 29,132,220,879.21 is: 43,698,331,318.82
Step by Step Solution
- Step 1: Write the proportion equation
103,662,237,450.57 : 155,493,356,175.87 = 29,132,220,879.21 : x - Step 2: Convert to fraction form
103,662,237,450.57/155,493,356,175.87 = 29,132,220,879.21/x - Step 3: Cross multiply
103,662,237,450.57x = 155,493,356,175.87 × 29,132,220,879.21 - Step 4: Simplify right side
103,662,237,450.57x = 4,529,866,797,365,117,059,072 - Step 5: Solve for x
x = 4,529,866,797,365,117,059,072/103,662,237,450.57 - Step 6: Final answer
x = 43,698,331,318.82
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Double scale
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Similar ratio
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1.5x scale
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.