Finding the Fourth Proportional to 212,289,217.22, 292,910,650.52 and 119,435,845.70
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Solution
The fourth proportional to 212,289,217.22, 292,910,650.52 and 119,435,845.70 is: 164,794,197.82
Step by Step Solution
- Step 1: Write the proportion equation
212,289,217.22 : 292,910,650.52 = 119,435,845.70 : x - Step 2: Convert to fraction form
212,289,217.22/292,910,650.52 = 119,435,845.70/x - Step 3: Cross multiply
212,289,217.22x = 292,910,650.52 × 119,435,845.70 - Step 4: Simplify right side
212,289,217.22x = 34,984,031,257,331,608 - Step 5: Solve for x
x = 34,984,031,257,331,608/212,289,217.22 - Step 6: Final answer
x = 164,794,197.82
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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.