Finding the Fourth Proportional to 50,582,159.68, 69,795,950.78 and 28,252,394.55
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Solution
The fourth proportional to 50,582,159.68, 69,795,950.78 and 28,252,394.55 is: 38,984,154.73
Step by Step Solution
- Step 1: Write the proportion equation
50,582,159.68 : 69,795,950.78 = 28,252,394.55 : x - Step 2: Convert to fraction form
50,582,159.68/69,795,950.78 = 28,252,394.55/x - Step 3: Cross multiply
50,582,159.68x = 69,795,950.78 × 28,252,394.55 - Step 4: Simplify right side
50,582,159.68x = 1,971,902,739,428,940.25 - Step 5: Solve for x
x = 1,971,902,739,428,940.25/50,582,159.68 - Step 6: Final answer
x = 38,984,154.73
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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.