Finding the Fourth Proportional to 57,571,971.16, 86,381,826.18 and 25,207,168.60
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Solution
The fourth proportional to 57,571,971.16, 86,381,826.18 and 25,207,168.60 is: 37,821,203.84
Step by Step Solution
- Step 1: Write the proportion equation
57,571,971.16 : 86,381,826.18 = 25,207,168.60 : x - Step 2: Convert to fraction form
57,571,971.16/86,381,826.18 = 25,207,168.60/x - Step 3: Cross multiply
57,571,971.16x = 86,381,826.18 × 25,207,168.60 - Step 4: Simplify right side
57,571,971.16x = 2,177,441,256,495,154.25 - Step 5: Solve for x
x = 2,177,441,256,495,154.25/57,571,971.16 - Step 6: Final answer
x = 37,821,203.84
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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.