Finding the Fourth Proportional to 242,792,257.62, 335,053,077.98 and 131,282,832.05
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Solution
The fourth proportional to 242,792,257.62, 335,053,077.98 and 131,282,832.05 is: 181,170,179.78
Step by Step Solution
- Step 1: Write the proportion equation
242,792,257.62 : 335,053,077.98 = 131,282,832.05 : x - Step 2: Convert to fraction form
242,792,257.62/335,053,077.98 = 131,282,832.05/x - Step 3: Cross multiply
242,792,257.62x = 335,053,077.98 × 131,282,832.05 - Step 4: Simplify right side
242,792,257.62x = 43,986,716,961,952,216 - Step 5: Solve for x
x = 43,986,716,961,952,216/242,792,257.62 - Step 6: Final answer
x = 181,170,179.78
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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.