Finding the Fourth Proportional to 193,886,433.22, 267,553,934.84 and 105,775,188.70
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Solution
The fourth proportional to 193,886,433.22, 267,553,934.84 and 105,775,188.70 is: 145,964,663.31
Step by Step Solution
- Step 1: Write the proportion equation
193,886,433.22 : 267,553,934.84 = 105,775,188.70 : x - Step 2: Convert to fraction form
193,886,433.22/267,553,934.84 = 105,775,188.70/x - Step 3: Cross multiply
193,886,433.22x = 267,553,934.84 × 105,775,188.70 - Step 4: Simplify right side
193,886,433.22x = 28,300,567,945,128,504 - Step 5: Solve for x
x = 28,300,567,945,128,504/193,886,433.22 - Step 6: Final answer
x = 145,964,663.31
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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.