Finding the Fourth Proportional to 186,324,702.12, 257,117,596.20 and 102,692,579.40
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Solution
The fourth proportional to 186,324,702.12, 257,117,596.20 and 102,692,579.40 is: 141,709,976.52
Step by Step Solution
- Step 1: Write the proportion equation
186,324,702.12 : 257,117,596.20 = 102,692,579.40 : x - Step 2: Convert to fraction form
186,324,702.12/257,117,596.20 = 102,692,579.40/x - Step 3: Cross multiply
186,324,702.12x = 257,117,596.20 × 102,692,579.40 - Step 4: Simplify right side
186,324,702.12x = 26,404,069,162,905,640 - Step 5: Solve for x
x = 26,404,069,162,905,640/186,324,702.12 - Step 6: Final answer
x = 141,709,976.52
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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.