Finding the Fourth Proportional to 107,985,659.41, 149,024,438.90 and 60,944,376.07
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Solution
The fourth proportional to 107,985,659.41, 149,024,438.90 and 60,944,376.07 is: 84,105,625.67
Step by Step Solution
- Step 1: Write the proportion equation
107,985,659.41 : 149,024,438.90 = 60,944,376.07 : x - Step 2: Convert to fraction form
107,985,659.41/149,024,438.90 = 60,944,376.07/x - Step 3: Cross multiply
107,985,659.41x = 149,024,438.90 × 60,944,376.07 - Step 4: Simplify right side
107,985,659.41x = 9,082,201,447,942,338 - Step 5: Solve for x
x = 9,082,201,447,942,338/107,985,659.41 - Step 6: Final answer
x = 84,105,625.67
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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.