Finding the Fourth Proportional to 171,863,918.77, 257,793,353.97 and 42,471,525.42
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Solution
The fourth proportional to 171,863,918.77, 257,793,353.97 and 42,471,525.42 is: 63,706,664.35
Step by Step Solution
- Step 1: Write the proportion equation
171,863,918.77 : 257,793,353.97 = 42,471,525.42 : x - Step 2: Convert to fraction form
171,863,918.77/257,793,353.97 = 42,471,525.42/x - Step 3: Cross multiply
171,863,918.77x = 257,793,353.97 × 42,471,525.42 - Step 4: Simplify right side
171,863,918.77x = 10,948,876,986,243,914 - Step 5: Solve for x
x = 10,948,876,986,243,914/171,863,918.77 - Step 6: Final answer
x = 63,706,664.35
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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.