Finding the Fourth Proportional to 89,586,452.40, 134,521,396.20 and 68,045,377.20
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Solution
The fourth proportional to 89,586,452.40, 134,521,396.20 and 68,045,377.20 is: 102,175,707.38
Step by Step Solution
- Step 1: Write the proportion equation
89,586,452.40 : 134,521,396.20 = 68,045,377.20 : x - Step 2: Convert to fraction form
89,586,452.40/134,521,396.20 = 68,045,377.20/x - Step 3: Cross multiply
89,586,452.40x = 134,521,396.20 × 68,045,377.20 - Step 4: Simplify right side
89,586,452.40x = 9,153,559,145,899,646 - Step 5: Solve for x
x = 9,153,559,145,899,646/89,586,452.40 - Step 6: Final answer
x = 102,175,707.38
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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.