Finding the Fourth Proportional to 186,877,068.64, 257,882,549.68 and 107,486,093.95
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Solution
The fourth proportional to 186,877,068.64, 257,882,549.68 and 107,486,093.95 is: 148,326,320.42
Step by Step Solution
- Step 1: Write the proportion equation
186,877,068.64 : 257,882,549.68 = 107,486,093.95 : x - Step 2: Convert to fraction form
186,877,068.64/257,882,549.68 = 107,486,093.95/x - Step 3: Cross multiply
186,877,068.64x = 257,882,549.68 × 107,486,093.95 - Step 4: Simplify right side
186,877,068.64x = 27,718,787,962,459,676 - Step 5: Solve for x
x = 27,718,787,962,459,676/186,877,068.64 - Step 6: Final answer
x = 148,326,320.42
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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.