Finding the Fourth Proportional to 186,669,755.18, 257,604,287.36 and 103,037,901.57
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Solution
The fourth proportional to 186,669,755.18, 257,604,287.36 and 103,037,901.57 is: 142,192,318.08
Step by Step Solution
- Step 1: Write the proportion equation
186,669,755.18 : 257,604,287.36 = 103,037,901.57 : x - Step 2: Convert to fraction form
186,669,755.18/257,604,287.36 = 103,037,901.57/x - Step 3: Cross multiply
186,669,755.18x = 257,604,287.36 × 103,037,901.57 - Step 4: Simplify right side
186,669,755.18x = 26,543,005,203,206,464 - Step 5: Solve for x
x = 26,543,005,203,206,464/186,669,755.18 - Step 6: Final answer
x = 142,192,318.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.