Finding the Fourth Proportional to 125,626,951.72, 173,497,363.32 and 111,932,570.08
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Solution
The fourth proportional to 125,626,951.72, 173,497,363.32 and 111,932,570.08 is: 154,584,709.03
Step by Step Solution
- Step 1: Write the proportion equation
125,626,951.72 : 173,497,363.32 = 111,932,570.08 : x - Step 2: Convert to fraction form
125,626,951.72/173,497,363.32 = 111,932,570.08/x - Step 3: Cross multiply
125,626,951.72x = 173,497,363.32 × 111,932,570.08 - Step 4: Simplify right side
125,626,951.72x = 19,420,005,778,511,120 - Step 5: Solve for x
x = 19,420,005,778,511,120/125,626,951.72 - Step 6: Final answer
x = 154,584,709.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.