Finding the Fourth Proportional to 131,954,260.28, 197,960,818.02 and 43,326,779.65
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Solution
The fourth proportional to 131,954,260.28, 197,960,818.02 and 43,326,779.65 is: 64,999,831.94
Step by Step Solution
- Step 1: Write the proportion equation
131,954,260.28 : 197,960,818.02 = 43,326,779.65 : x - Step 2: Convert to fraction form
131,954,260.28/197,960,818.02 = 43,326,779.65/x - Step 3: Cross multiply
131,954,260.28x = 197,960,818.02 × 43,326,779.65 - Step 4: Simplify right side
131,954,260.28x = 8,577,004,741,028,913 - Step 5: Solve for x
x = 8,577,004,741,028,913/131,954,260.28 - Step 6: Final answer
x = 64,999,831.94
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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.