Finding the Fourth Proportional to 221,392,487.80, 332,230,449.30 and 129,276,047.80
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Solution
The fourth proportional to 221,392,487.80, 332,230,449.30 and 129,276,047.80 is: 193,996,823.79
Step by Step Solution
- Step 1: Write the proportion equation
221,392,487.80 : 332,230,449.30 = 129,276,047.80 : x - Step 2: Convert to fraction form
221,392,487.80/332,230,449.30 = 129,276,047.80/x - Step 3: Cross multiply
221,392,487.80x = 332,230,449.30 × 129,276,047.80 - Step 4: Simplify right side
221,392,487.80x = 42,949,439,444,322,280 - Step 5: Solve for x
x = 42,949,439,444,322,280/221,392,487.80 - Step 6: Final answer
x = 193,996,823.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.