Finding the Fourth Proportional to 202,046,357.88, 278,803,066.07 and 149,151,149.42
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Solution
The fourth proportional to 202,046,357.88, 278,803,066.07 and 149,151,149.42 is: 205,813,151.99
Step by Step Solution
- Step 1: Write the proportion equation
202,046,357.88 : 278,803,066.07 = 149,151,149.42 : x - Step 2: Convert to fraction form
202,046,357.88/278,803,066.07 = 149,151,149.42/x - Step 3: Cross multiply
202,046,357.88x = 278,803,066.07 × 149,151,149.42 - Step 4: Simplify right side
202,046,357.88x = 41,583,797,764,020,928 - Step 5: Solve for x
x = 41,583,797,764,020,928/202,046,357.88 - Step 6: Final answer
x = 205,813,151.99
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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.