Finding the Fourth Proportional to 80,745,272.70, 120,973,567.05 and 49,138,748.70
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Solution
The fourth proportional to 80,745,272.70, 120,973,567.05 and 49,138,748.70 is: 73,620,281.56
Step by Step Solution
- Step 1: Write the proportion equation
80,745,272.70 : 120,973,567.05 = 49,138,748.70 : x - Step 2: Convert to fraction form
80,745,272.70/120,973,567.05 = 49,138,748.70/x - Step 3: Cross multiply
80,745,272.70x = 120,973,567.05 × 49,138,748.70 - Step 4: Simplify right side
80,745,272.70x = 5,944,489,710,612,551 - Step 5: Solve for x
x = 5,944,489,710,612,551/80,745,272.70 - Step 6: Final answer
x = 73,620,281.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.