Finding the Fourth Proportional to 71,473,144.58, 106,939,170.96 and 42,342,618.36
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Solution
The fourth proportional to 71,473,144.58, 106,939,170.96 and 42,342,618.36 is: 63,353,648.85
Step by Step Solution
- Step 1: Write the proportion equation
71,473,144.58 : 106,939,170.96 = 42,342,618.36 : x - Step 2: Convert to fraction form
71,473,144.58/106,939,170.96 = 42,342,618.36/x - Step 3: Cross multiply
71,473,144.58x = 106,939,170.96 × 42,342,618.36 - Step 4: Simplify right side
71,473,144.58x = 4,528,084,503,694,074 - Step 5: Solve for x
x = 4,528,084,503,694,074/71,473,144.58 - Step 6: Final answer
x = 63,353,648.85
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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.