Finding the Fourth Proportional to 47,177,686.16, 65,125,294.92 and 31,716,738
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Solution
The fourth proportional to 47,177,686.16, 65,125,294.92 and 31,716,738 is: 43,782,603.27
Step by Step Solution
- Step 1: Write the proportion equation
47,177,686.16 : 65,125,294.92 = 31,716,738 : x - Step 2: Convert to fraction form
47,177,686.16/65,125,294.92 = 31,716,738/x - Step 3: Cross multiply
47,177,686.16x = 65,125,294.92 × 31,716,738 - Step 4: Simplify right side
47,177,686.16x = 2,065,561,916,150,371 - Step 5: Solve for x
x = 2,065,561,916,150,371/47,177,686.16 - Step 6: Final answer
x = 43,782,603.27
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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.