Finding the Fourth Proportional to 247,382,690.36, 370,751,234.33 and 138,203,451.32
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Solution
The fourth proportional to 247,382,690.36, 370,751,234.33 and 138,203,451.32 is: 207,124,840.02
Step by Step Solution
- Step 1: Write the proportion equation
247,382,690.36 : 370,751,234.33 = 138,203,451.32 : x - Step 2: Convert to fraction form
247,382,690.36/370,751,234.33 = 138,203,451.32/x - Step 3: Cross multiply
247,382,690.36x = 370,751,234.33 × 138,203,451.32 - Step 4: Simplify right side
247,382,690.36x = 51,239,100,164,047,816 - Step 5: Solve for x
x = 51,239,100,164,047,816/247,382,690.36 - Step 6: Final answer
x = 207,124,840.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.