Finding the Fourth Proportional to 107,451,197.86, 148,281,761.68 and 60,408,481.02
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Solution
The fourth proportional to 107,451,197.86, 148,281,761.68 and 60,408,481.02 is: 83,363,202.69
Step by Step Solution
- Step 1: Write the proportion equation
107,451,197.86 : 148,281,761.68 = 60,408,481.02 : x - Step 2: Convert to fraction form
107,451,197.86/148,281,761.68 = 60,408,481.02/x - Step 3: Cross multiply
107,451,197.86x = 148,281,761.68 × 60,408,481.02 - Step 4: Simplify right side
107,451,197.86x = 8,957,475,986,992,993 - Step 5: Solve for x
x = 8,957,475,986,992,993/107,451,197.86 - Step 6: Final answer
x = 83,363,202.69
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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.