Finding the Fourth Proportional to 87,216,930.80, 130,793,903.40 and 44,071,794.80
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Solution
The fourth proportional to 87,216,930.80, 130,793,903.40 and 44,071,794.80 is: 66,091,778.50
Step by Step Solution
- Step 1: Write the proportion equation
87,216,930.80 : 130,793,903.40 = 44,071,794.80 : x - Step 2: Convert to fraction form
87,216,930.80/130,793,903.40 = 44,071,794.80/x - Step 3: Cross multiply
87,216,930.80x = 130,793,903.40 × 44,071,794.80 - Step 4: Simplify right side
87,216,930.80x = 5,764,322,071,735,822 - Step 5: Solve for x
x = 5,764,322,071,735,822/87,216,930.80 - Step 6: Final answer
x = 66,091,778.50
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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.