Finding the Fourth Proportional to 292,192,197.44, 403,217,515.20 and 166,742,144.96
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Solution
The fourth proportional to 292,192,197.44, 403,217,515.20 and 166,742,144.96 is: 230,099,756.12
Step by Step Solution
- Step 1: Write the proportion equation
292,192,197.44 : 403,217,515.20 = 166,742,144.96 : x - Step 2: Convert to fraction form
292,192,197.44/403,217,515.20 = 166,742,144.96/x - Step 3: Cross multiply
292,192,197.44x = 403,217,515.20 × 166,742,144.96 - Step 4: Simplify right side
292,192,197.44x = 67,233,353,369,889,408 - Step 5: Solve for x
x = 67,233,353,369,889,408/292,192,197.44 - Step 6: Final answer
x = 230,099,756.12
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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.