Finding the Fourth Proportional to 260,593,020.36, 390,889,199.88 and 66,504,439.80
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Solution
The fourth proportional to 260,593,020.36, 390,889,199.88 and 66,504,439.80 is: 99,756,575.31
Step by Step Solution
- Step 1: Write the proportion equation
260,593,020.36 : 390,889,199.88 = 66,504,439.80 : x - Step 2: Convert to fraction form
260,593,020.36/390,889,199.88 = 66,504,439.80/x - Step 3: Cross multiply
260,593,020.36x = 390,889,199.88 × 66,504,439.80 - Step 4: Simplify right side
260,593,020.36x = 25,995,867,261,889,624 - Step 5: Solve for x
x = 25,995,867,261,889,624/260,593,020.36 - Step 6: Final answer
x = 99,756,575.31
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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.