Finding the Fourth Proportional to 205,553,783.16, 283,682,157.80 and 112,752,227.21
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Solution
The fourth proportional to 205,553,783.16, 283,682,157.80 and 112,752,227.21 is: 155,607,912.53
Step by Step Solution
- Step 1: Write the proportion equation
205,553,783.16 : 283,682,157.80 = 112,752,227.21 : x - Step 2: Convert to fraction form
205,553,783.16/283,682,157.80 = 112,752,227.21/x - Step 3: Cross multiply
205,553,783.16x = 283,682,157.80 × 112,752,227.21 - Step 4: Simplify right side
205,553,783.16x = 31,985,795,109,706,504 - Step 5: Solve for x
x = 31,985,795,109,706,504/205,553,783.16 - Step 6: Final answer
x = 155,607,912.53
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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.