Finding the Fourth Proportional to 280,509,405.76, 420,764,110.20 and 76,037,480.08
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Solution
The fourth proportional to 280,509,405.76, 420,764,110.20 and 76,037,480.08 is: 114,056,220.54
Step by Step Solution
- Step 1: Write the proportion equation
280,509,405.76 : 420,764,110.20 = 76,037,480.08 : x - Step 2: Convert to fraction form
280,509,405.76/420,764,110.20 = 76,037,480.08/x - Step 3: Cross multiply
280,509,405.76x = 420,764,110.20 × 76,037,480.08 - Step 4: Simplify right side
280,509,405.76x = 31,993,842,647,711,424 - Step 5: Solve for x
x = 31,993,842,647,711,424/280,509,405.76 - Step 6: Final answer
x = 114,056,220.54
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