Finding the Fourth Proportional to 146,683,205.17, 202,424,434.37 and 80,603,720.53
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Solution
The fourth proportional to 146,683,205.17, 202,424,434.37 and 80,603,720.53 is: 111,234,019.72
Step by Step Solution
- Step 1: Write the proportion equation
146,683,205.17 : 202,424,434.37 = 80,603,720.53 : x - Step 2: Convert to fraction form
146,683,205.17/202,424,434.37 = 80,603,720.53/x - Step 3: Cross multiply
146,683,205.17x = 202,424,434.37 × 80,603,720.53 - Step 4: Simplify right side
146,683,205.17x = 16,316,162,536,402,808 - Step 5: Solve for x
x = 16,316,162,536,402,808/146,683,205.17 - Step 6: Final answer
x = 111,234,019.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.