Finding the Fourth Proportional to 121,903,620.80, 168,179,105.94 and 69,664,631
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Solution
The fourth proportional to 121,903,620.80, 168,179,105.94 and 69,664,631 is: 96,109,822.50
Step by Step Solution
- Step 1: Write the proportion equation
121,903,620.80 : 168,179,105.94 = 69,664,631 : x - Step 2: Convert to fraction form
121,903,620.80/168,179,105.94 = 69,664,631/x - Step 3: Cross multiply
121,903,620.80x = 168,179,105.94 × 69,664,631 - Step 4: Simplify right side
121,903,620.80x = 11,716,135,357,220,008 - Step 5: Solve for x
x = 11,716,135,357,220,008/121,903,620.80 - Step 6: Final answer
x = 96,109,822.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.