Finding the Fourth Proportional to 121,279,296.30, 181,918,944.45 and 44,586,455.10
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Solution
The fourth proportional to 121,279,296.30, 181,918,944.45 and 44,586,455.10 is: 66,879,682.65
Step by Step Solution
- Step 1: Write the proportion equation
121,279,296.30 : 181,918,944.45 = 44,586,455.10 : x - Step 2: Convert to fraction form
121,279,296.30/181,918,944.45 = 44,586,455.10/x - Step 3: Cross multiply
121,279,296.30x = 181,918,944.45 × 44,586,455.10 - Step 4: Simplify right side
121,279,296.30x = 8,111,120,848,559,319 - Step 5: Solve for x
x = 8,111,120,848,559,319/121,279,296.30 - Step 6: Final answer
x = 66,879,682.65
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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.