Finding the Fourth Proportional to 208,876,851.99, 313,364,288.66 and 205,406,542.26
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Solution
The fourth proportional to 208,876,851.99, 313,364,288.66 and 205,406,542.26 is: 308,158,009.79
Step by Step Solution
- Step 1: Write the proportion equation
208,876,851.99 : 313,364,288.66 = 205,406,542.26 : x - Step 2: Convert to fraction form
208,876,851.99/313,364,288.66 = 205,406,542.26/x - Step 3: Cross multiply
208,876,851.99x = 313,364,288.66 × 205,406,542.26 - Step 4: Simplify right side
208,876,851.99x = 64,367,075,000,388,088 - Step 5: Solve for x
x = 64,367,075,000,388,088/208,876,851.99 - Step 6: Final answer
x = 308,158,009.79
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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.