Finding the Fourth Proportional to 121,246,108.40, 181,869,162.60 and 121,246,108.40
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Solution
The fourth proportional to 121,246,108.40, 181,869,162.60 and 121,246,108.40 is: 181,869,162.60
Step by Step Solution
- Step 1: Write the proportion equation
121,246,108.40 : 181,869,162.60 = 121,246,108.40 : x - Step 2: Convert to fraction form
121,246,108.40/181,869,162.60 = 121,246,108.40/x - Step 3: Cross multiply
121,246,108.40x = 181,869,162.60 × 121,246,108.40 - Step 4: Simplify right side
121,246,108.40x = 22,050,928,203,216,828 - Step 5: Solve for x
x = 22,050,928,203,216,828/121,246,108.40 - Step 6: Final answer
x = 181,869,162.60
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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.