Finding the Fourth Proportional to 71,656,048.84, 107,515,197.60 and 38,889,766.93
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Solution
The fourth proportional to 71,656,048.84, 107,515,197.60 and 38,889,766.93 is: 58,351,542.46
Step by Step Solution
- Step 1: Write the proportion equation
71,656,048.84 : 107,515,197.60 = 38,889,766.93 : x - Step 2: Convert to fraction form
71,656,048.84/107,515,197.60 = 38,889,766.93/x - Step 3: Cross multiply
71,656,048.84x = 107,515,197.60 × 38,889,766.93 - Step 4: Simplify right side
71,656,048.84x = 4,181,240,976,096,895 - Step 5: Solve for x
x = 4,181,240,976,096,895/71,656,048.84 - Step 6: Final answer
x = 58,351,542.46
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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.