Finding the Fourth Proportional to 125,534,679.05, 173,239,928.75 and 69,021,812.75
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Solution
The fourth proportional to 125,534,679.05, 173,239,928.75 and 69,021,812.75 is: 95,251,240.63
Step by Step Solution
- Step 1: Write the proportion equation
125,534,679.05 : 173,239,928.75 = 69,021,812.75 : x - Step 2: Convert to fraction form
125,534,679.05/173,239,928.75 = 69,021,812.75/x - Step 3: Cross multiply
125,534,679.05x = 173,239,928.75 × 69,021,812.75 - Step 4: Simplify right side
125,534,679.05x = 11,957,333,922,312,198 - Step 5: Solve for x
x = 11,957,333,922,312,198/125,534,679.05 - Step 6: Final answer
x = 95,251,240.63
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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.