Finding the Fourth Proportional to 212,216,960.22, 292,856,405.36 and 119,397,246.63
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Solution
The fourth proportional to 212,216,960.22, 292,856,405.36 and 119,397,246.63 is: 164,766,512.63
Step by Step Solution
- Step 1: Write the proportion equation
212,216,960.22 : 292,856,405.36 = 119,397,246.63 : x - Step 2: Convert to fraction form
212,216,960.22/292,856,405.36 = 119,397,246.63/x - Step 3: Cross multiply
212,216,960.22x = 292,856,405.36 × 119,397,246.63 - Step 4: Simplify right side
212,216,960.22x = 34,966,248,457,346,188 - Step 5: Solve for x
x = 34,966,248,457,346,188/212,216,960.22 - Step 6: Final answer
x = 164,766,512.63
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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.