Finding the Fourth Proportional to 125,493,584.06, 172,998,624.28 and 87,699,408.14
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Solution
The fourth proportional to 125,493,584.06, 172,998,624.28 and 87,699,408.14 is: 120,897,630.52
Step by Step Solution
- Step 1: Write the proportion equation
125,493,584.06 : 172,998,624.28 = 87,699,408.14 : x - Step 2: Convert to fraction form
125,493,584.06/172,998,624.28 = 87,699,408.14/x - Step 3: Cross multiply
125,493,584.06x = 172,998,624.28 × 87,699,408.14 - Step 4: Simplify right side
125,493,584.06x = 15,171,876,957,634,866 - Step 5: Solve for x
x = 15,171,876,957,634,866/125,493,584.06 - Step 6: Final answer
x = 120,897,630.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.