Finding the Fourth Proportional to 150,994,284.26, 208,368,845.12 and 87,417,304.08
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Solution
The fourth proportional to 150,994,284.26, 208,368,845.12 and 87,417,304.08 is: 120,633,988.13
Step by Step Solution
- Step 1: Write the proportion equation
150,994,284.26 : 208,368,845.12 = 87,417,304.08 : x - Step 2: Convert to fraction form
150,994,284.26/208,368,845.12 = 87,417,304.08/x - Step 3: Cross multiply
150,994,284.26x = 208,368,845.12 × 87,417,304.08 - Step 4: Simplify right side
150,994,284.26x = 18,215,042,694,216,380 - Step 5: Solve for x
x = 18,215,042,694,216,380/150,994,284.26 - Step 6: Final answer
x = 120,633,988.13
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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.