Finding the Fourth Proportional to 205,791,499.80, 283,599,795.04 and 202,008,968.48
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Solution
The fourth proportional to 205,791,499.80, 283,599,795.04 and 202,008,968.48 is: 278,387,115.66
Step by Step Solution
- Step 1: Write the proportion equation
205,791,499.80 : 283,599,795.04 = 202,008,968.48 : x - Step 2: Convert to fraction form
205,791,499.80/283,599,795.04 = 202,008,968.48/x - Step 3: Cross multiply
205,791,499.80x = 283,599,795.04 × 202,008,968.48 - Step 4: Simplify right side
205,791,499.80x = 57,289,702,057,373,800 - Step 5: Solve for x
x = 57,289,702,057,373,800/205,791,499.80 - Step 6: Final answer
x = 278,387,115.66
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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.