Finding the Fourth Proportional to 145,582,565.12, 218,482,304.20 and 106,821,179.49
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Solution
The fourth proportional to 145,582,565.12, 218,482,304.20 and 106,821,179.49 is: 160,311,349.19
Step by Step Solution
- Step 1: Write the proportion equation
145,582,565.12 : 218,482,304.20 = 106,821,179.49 : x - Step 2: Convert to fraction form
145,582,565.12/218,482,304.20 = 106,821,179.49/x - Step 3: Cross multiply
145,582,565.12x = 218,482,304.20 × 106,821,179.49 - Step 4: Simplify right side
145,582,565.12x = 23,338,537,432,889,236 - Step 5: Solve for x
x = 23,338,537,432,889,236/145,582,565.12 - Step 6: Final answer
x = 160,311,349.19
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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.