Finding the Fourth Proportional to 135,015,356.28, 186,322,086.18 and 73,135,694.28
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Solution
The fourth proportional to 135,015,356.28, 186,322,086.18 and 73,135,694.28 is: 100,927,742.65
Step by Step Solution
- Step 1: Write the proportion equation
135,015,356.28 : 186,322,086.18 = 73,135,694.28 : x - Step 2: Convert to fraction form
135,015,356.28/186,322,086.18 = 73,135,694.28/x - Step 3: Cross multiply
135,015,356.28x = 186,322,086.18 × 73,135,694.28 - Step 4: Simplify right side
135,015,356.28x = 13,626,795,132,472,294 - Step 5: Solve for x
x = 13,626,795,132,472,294/135,015,356.28 - Step 6: Final answer
x = 100,927,742.65
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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.