Finding the Fourth Proportional to 193,579,047.18, 267,081,776.87 and 115,199,766.54
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Solution
The fourth proportional to 193,579,047.18, 267,081,776.87 and 115,199,766.54 is: 158,941,573.43
Step by Step Solution
- Step 1: Write the proportion equation
193,579,047.18 : 267,081,776.87 = 115,199,766.54 : x - Step 2: Convert to fraction form
193,579,047.18/267,081,776.87 = 115,199,766.54/x - Step 3: Cross multiply
193,579,047.18x = 267,081,776.87 × 115,199,766.54 - Step 4: Simplify right side
193,579,047.18x = 30,767,758,342,512,376 - Step 5: Solve for x
x = 30,767,758,342,512,376/193,579,047.18 - Step 6: Final answer
x = 158,941,573.43
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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.