Finding the Fourth Proportional to 194,511,356.91, 268,424,870.03 and 105,203,400.75
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Solution
The fourth proportional to 194,511,356.91, 268,424,870.03 and 105,203,400.75 is: 145,180,258.99
Step by Step Solution
- Step 1: Write the proportion equation
194,511,356.91 : 268,424,870.03 = 105,203,400.75 : x - Step 2: Convert to fraction form
194,511,356.91/268,424,870.03 = 105,203,400.75/x - Step 3: Cross multiply
194,511,356.91x = 268,424,870.03 × 105,203,400.75 - Step 4: Simplify right side
194,511,356.91x = 28,239,209,171,690,632 - Step 5: Solve for x
x = 28,239,209,171,690,632/194,511,356.91 - Step 6: Final answer
x = 145,180,258.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.