Finding the Fourth Proportional to 83,669,674.30, 125,504,511.45 and 58,160,506.30
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Solution
The fourth proportional to 83,669,674.30, 125,504,511.45 and 58,160,506.30 is: 87,240,759.45
Step by Step Solution
- Step 1: Write the proportion equation
83,669,674.30 : 125,504,511.45 = 58,160,506.30 : x - Step 2: Convert to fraction form
83,669,674.30/125,504,511.45 = 58,160,506.30/x - Step 3: Cross multiply
83,669,674.30x = 125,504,511.45 × 58,160,506.30 - Step 4: Simplify right side
83,669,674.30x = 7,299,405,928,866,147 - Step 5: Solve for x
x = 7,299,405,928,866,147/83,669,674.30 - Step 6: Final answer
x = 87,240,759.45
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1.5x scale
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.