Finding the Fourth Proportional to 187,840,021.87, 281,762,202.06 and 56,683,433.70
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Solution
The fourth proportional to 187,840,021.87, 281,762,202.06 and 56,683,433.70 is: 85,025,805.15
Step by Step Solution
- Step 1: Write the proportion equation
187,840,021.87 : 281,762,202.06 = 56,683,433.70 : x - Step 2: Convert to fraction form
187,840,021.87/281,762,202.06 = 56,683,433.70/x - Step 3: Cross multiply
187,840,021.87x = 281,762,202.06 × 56,683,433.70 - Step 4: Simplify right side
187,840,021.87x = 15,971,249,099,634,014 - Step 5: Solve for x
x = 15,971,249,099,634,014/187,840,021.87 - Step 6: Final answer
x = 85,025,805.15
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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.