Finding the Fourth Proportional to 309,746,286.63, 464,632,251.47 and 91,396,628.79
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Solution
The fourth proportional to 309,746,286.63, 464,632,251.47 and 91,396,628.79 is: 137,098,726.42
Step by Step Solution
- Step 1: Write the proportion equation
309,746,286.63 : 464,632,251.47 = 91,396,628.79 : x - Step 2: Convert to fraction form
309,746,286.63/464,632,251.47 = 91,396,628.79/x - Step 3: Cross multiply
309,746,286.63x = 464,632,251.47 × 91,396,628.79 - Step 4: Simplify right side
309,746,286.63x = 42,465,821,411,008,536 - Step 5: Solve for x
x = 42,465,821,411,008,536/309,746,286.63 - Step 6: Final answer
x = 137,098,726.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.