Finding the Fourth Proportional to 235,882,318.96, 353,823,478.80 and 72,120,076.08
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Solution
The fourth proportional to 235,882,318.96, 353,823,478.80 and 72,120,076.08 is: 108,180,114.23
Step by Step Solution
- Step 1: Write the proportion equation
235,882,318.96 : 353,823,478.80 = 72,120,076.08 : x - Step 2: Convert to fraction form
235,882,318.96/353,823,478.80 = 72,120,076.08/x - Step 3: Cross multiply
235,882,318.96x = 353,823,478.80 × 72,120,076.08 - Step 4: Simplify right side
235,882,318.96x = 25,517,776,209,946,268 - Step 5: Solve for x
x = 25,517,776,209,946,268/235,882,318.96 - Step 6: Final answer
x = 108,180,114.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.