Finding the Fourth Proportional to 193,696,947.78, 267,397,218.57 and 134,203,357.98
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Solution
The fourth proportional to 193,696,947.78, 267,397,218.57 and 134,203,357.98 is: 185,266,753.34
Step by Step Solution
- Step 1: Write the proportion equation
193,696,947.78 : 267,397,218.57 = 134,203,357.98 : x - Step 2: Convert to fraction form
193,696,947.78/267,397,218.57 = 134,203,357.98/x - Step 3: Cross multiply
193,696,947.78x = 267,397,218.57 × 134,203,357.98 - Step 4: Simplify right side
193,696,947.78x = 35,885,604,646,606,012 - Step 5: Solve for x
x = 35,885,604,646,606,012/193,696,947.78 - Step 6: Final answer
x = 185,266,753.34
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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.