Finding the Fourth Proportional to 122,634,979.83, 183,878,376.75 and 48,870,107.73
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Solution
The fourth proportional to 122,634,979.83, 183,878,376.75 and 48,870,107.73 is: 73,275,635.50
Step by Step Solution
- Step 1: Write the proportion equation
122,634,979.83 : 183,878,376.75 = 48,870,107.73 : x - Step 2: Convert to fraction form
122,634,979.83/183,878,376.75 = 48,870,107.73/x - Step 3: Cross multiply
122,634,979.83x = 183,878,376.75 × 48,870,107.73 - Step 4: Simplify right side
122,634,979.83x = 8,986,156,080,990,027 - Step 5: Solve for x
x = 8,986,156,080,990,027/122,634,979.83 - Step 6: Final answer
x = 73,275,635.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.