Finding the Fourth Proportional to 57,125,178.21, 85,687,580.48 and 20,733,520.08
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Solution
The fourth proportional to 57,125,178.21, 85,687,580.48 and 20,733,520.08 is: 31,100,212.31
Step by Step Solution
- Step 1: Write the proportion equation
57,125,178.21 : 85,687,580.48 = 20,733,520.08 : x - Step 2: Convert to fraction form
57,125,178.21/85,687,580.48 = 20,733,520.08/x - Step 3: Cross multiply
57,125,178.21x = 85,687,580.48 × 20,733,520.08 - Step 4: Simplify right side
57,125,178.21x = 1,776,605,170,385,028.25 - Step 5: Solve for x
x = 1,776,605,170,385,028.25/57,125,178.21 - Step 6: Final answer
x = 31,100,212.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.