Finding the Fourth Proportional to 87,343,015.74, 120,511,692.63 and 57,570,364.14
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Solution
The fourth proportional to 87,343,015.74, 120,511,692.63 and 57,570,364.14 is: 79,432,819.77
Step by Step Solution
- Step 1: Write the proportion equation
87,343,015.74 : 120,511,692.63 = 57,570,364.14 : x - Step 2: Convert to fraction form
87,343,015.74/120,511,692.63 = 57,570,364.14/x - Step 3: Cross multiply
87,343,015.74x = 120,511,692.63 × 57,570,364.14 - Step 4: Simplify right side
87,343,015.74x = 6,937,902,027,836,854 - Step 5: Solve for x
x = 6,937,902,027,836,854/87,343,015.74 - Step 6: Final answer
x = 79,432,819.77
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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.