Finding the Fourth Proportional to 52,992,028.80, 79,488,043.20 and 44,488,972.80
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Solution
The fourth proportional to 52,992,028.80, 79,488,043.20 and 44,488,972.80 is: 66,733,459.20
Step by Step Solution
- Step 1: Write the proportion equation
52,992,028.80 : 79,488,043.20 = 44,488,972.80 : x - Step 2: Convert to fraction form
52,992,028.80/79,488,043.20 = 44,488,972.80/x - Step 3: Cross multiply
52,992,028.80x = 79,488,043.20 × 44,488,972.80 - Step 4: Simplify right side
52,992,028.80x = 3,536,341,391,850,025 - Step 5: Solve for x
x = 3,536,341,391,850,025/52,992,028.80 - Step 6: Final answer
x = 66,733,459.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.