Finding the Fourth Proportional to 65,287,765.20, 97,819,673.40 and 31,135,573.20
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Solution
The fourth proportional to 65,287,765.20, 97,819,673.40 and 31,135,573.20 is: 46,649,959.49
Step by Step Solution
- Step 1: Write the proportion equation
65,287,765.20 : 97,819,673.40 = 31,135,573.20 : x - Step 2: Convert to fraction form
65,287,765.20/97,819,673.40 = 31,135,573.20/x - Step 3: Cross multiply
65,287,765.20x = 97,819,673.40 × 31,135,573.20 - Step 4: Simplify right side
65,287,765.20x = 3,045,671,601,545,793 - Step 5: Solve for x
x = 3,045,671,601,545,793/65,287,765.20 - Step 6: Final answer
x = 46,649,959.49
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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.