Finding the Fourth Proportional to 42,156,451.26, 58,153,461.84 and 25,641,626.94
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Solution
The fourth proportional to 42,156,451.26, 58,153,461.84 and 25,641,626.94 is: 35,371,795.52
Step by Step Solution
- Step 1: Write the proportion equation
42,156,451.26 : 58,153,461.84 = 25,641,626.94 : x - Step 2: Convert to fraction form
42,156,451.26/58,153,461.84 = 25,641,626.94/x - Step 3: Cross multiply
42,156,451.26x = 58,153,461.84 × 25,641,626.94 - Step 4: Simplify right side
42,156,451.26x = 1,491,149,373,770,806.25 - Step 5: Solve for x
x = 1,491,149,373,770,806.25/42,156,451.26 - Step 6: Final answer
x = 35,371,795.52
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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.