Finding the Fourth Proportional to 125,293,479.80, 187,940,219.70 and 125,293,479.80
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Solution
The fourth proportional to 125,293,479.80, 187,940,219.70 and 125,293,479.80 is: 187,940,219.70
Step by Step Solution
- Step 1: Write the proportion equation
125,293,479.80 : 187,940,219.70 = 125,293,479.80 : x - Step 2: Convert to fraction form
125,293,479.80/187,940,219.70 = 125,293,479.80/x - Step 3: Cross multiply
125,293,479.80x = 187,940,219.70 × 125,293,479.80 - Step 4: Simplify right side
125,293,479.80x = 23,547,684,120,589,512 - Step 5: Solve for x
x = 23,547,684,120,589,512/125,293,479.80 - Step 6: Final answer
x = 187,940,219.70
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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.