Finding the Fourth Proportional to 35,424,138.60, 53,136,207.90 and 29,125,578.60
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Solution
The fourth proportional to 35,424,138.60, 53,136,207.90 and 29,125,578.60 is: 43,688,367.90
Step by Step Solution
- Step 1: Write the proportion equation
35,424,138.60 : 53,136,207.90 = 29,125,578.60 : x - Step 2: Convert to fraction form
35,424,138.60/53,136,207.90 = 29,125,578.60/x - Step 3: Cross multiply
35,424,138.60x = 53,136,207.90 × 29,125,578.60 - Step 4: Simplify right side
35,424,138.60x = 1,547,622,799,697,391 - Step 5: Solve for x
x = 1,547,622,799,697,391/35,424,138.60 - Step 6: Final answer
x = 43,688,367.90
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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.