Finding the Fourth Proportional to 208,177,103.34, 287,414,985.60 and 133,966,599.12
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Solution
The fourth proportional to 208,177,103.34, 287,414,985.60 and 133,966,599.12 is: 184,957,939.85
Step by Step Solution
- Step 1: Write the proportion equation
208,177,103.34 : 287,414,985.60 = 133,966,599.12 : x - Step 2: Convert to fraction form
208,177,103.34/287,414,985.60 = 133,966,599.12/x - Step 3: Cross multiply
208,177,103.34x = 287,414,985.60 × 133,966,599.12 - Step 4: Simplify right side
208,177,103.34x = 38,504,008,156,955,776 - Step 5: Solve for x
x = 38,504,008,156,955,776/208,177,103.34 - Step 6: Final answer
x = 184,957,939.85
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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.