Finding the Fourth Proportional to 157,464,246.70, 236,196,370.05 and 48,288,550.60
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Solution
The fourth proportional to 157,464,246.70, 236,196,370.05 and 48,288,550.60 is: 72,432,825.90
Step by Step Solution
- Step 1: Write the proportion equation
157,464,246.70 : 236,196,370.05 = 48,288,550.60 : x - Step 2: Convert to fraction form
157,464,246.70/236,196,370.05 = 48,288,550.60/x - Step 3: Cross multiply
157,464,246.70x = 236,196,370.05 × 48,288,550.60 - Step 4: Simplify right side
157,464,246.70x = 11,405,580,366,695,750 - Step 5: Solve for x
x = 11,405,580,366,695,750/157,464,246.70 - Step 6: Final answer
x = 72,432,825.90
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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.