Finding the Fourth Proportional to 171,498,074.13, 257,102,496.50 and 74,380,632.84
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Solution
The fourth proportional to 171,498,074.13, 257,102,496.50 and 74,380,632.84 is: 111,508,228.25
Step by Step Solution
- Step 1: Write the proportion equation
171,498,074.13 : 257,102,496.50 = 74,380,632.84 : x - Step 2: Convert to fraction form
171,498,074.13/257,102,496.50 = 74,380,632.84/x - Step 3: Cross multiply
171,498,074.13x = 257,102,496.50 × 74,380,632.84 - Step 4: Simplify right side
171,498,074.13x = 19,123,446,394,041,984 - Step 5: Solve for x
x = 19,123,446,394,041,984/171,498,074.13 - Step 6: Final answer
x = 111,508,228.25
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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.