Finding the Fourth Proportional to 91,589,674.84, 126,396,781.50 and 50,338,029.40
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Solution
The fourth proportional to 91,589,674.84, 126,396,781.50 and 50,338,029.40 is: 69,468,145.99
Step by Step Solution
- Step 1: Write the proportion equation
91,589,674.84 : 126,396,781.50 = 50,338,029.40 : x - Step 2: Convert to fraction form
91,589,674.84/126,396,781.50 = 50,338,029.40/x - Step 3: Cross multiply
91,589,674.84x = 126,396,781.50 × 50,338,029.40 - Step 4: Simplify right side
91,589,674.84x = 6,362,564,903,212,376 - Step 5: Solve for x
x = 6,362,564,903,212,376/91,589,674.84 - Step 6: Final answer
x = 69,468,145.99
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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.