Finding the Fourth Proportional to 87,110,935.83, 120,214,620.26 and 47,419,607.75
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Solution
The fourth proportional to 87,110,935.83, 120,214,620.26 and 47,419,607.75 is: 65,439,890.91
Step by Step Solution
- Step 1: Write the proportion equation
87,110,935.83 : 120,214,620.26 = 47,419,607.75 : x - Step 2: Convert to fraction form
87,110,935.83/120,214,620.26 = 47,419,607.75/x - Step 3: Cross multiply
87,110,935.83x = 120,214,620.26 × 47,419,607.75 - Step 4: Simplify right side
87,110,935.83x = 5,700,530,137,706,231 - Step 5: Solve for x
x = 5,700,530,137,706,231/87,110,935.83 - Step 6: Final answer
x = 65,439,890.91
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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.