Finding the Fourth Proportional to 55,043,609.76, 75,955,662.72 and 32,408,385.12
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Solution
The fourth proportional to 55,043,609.76, 75,955,662.72 and 32,408,385.12 is: 44,720,910.93
Step by Step Solution
- Step 1: Write the proportion equation
55,043,609.76 : 75,955,662.72 = 32,408,385.12 : x - Step 2: Convert to fraction form
55,043,609.76/75,955,662.72 = 32,408,385.12/x - Step 3: Cross multiply
55,043,609.76x = 75,955,662.72 × 32,408,385.12 - Step 4: Simplify right side
55,043,609.76x = 2,461,600,369,474,587 - Step 5: Solve for x
x = 2,461,600,369,474,587/55,043,609.76 - Step 6: Final answer
x = 44,720,910.93
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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.