Finding the Fourth Proportional to 47,177,582.58, 65,125,152.09 and 31,716,635.22
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Solution
The fourth proportional to 47,177,582.58, 65,125,152.09 and 31,716,635.22 is: 43,782,461.49
Step by Step Solution
- Step 1: Write the proportion equation
47,177,582.58 : 65,125,152.09 = 31,716,635.22 : x - Step 2: Convert to fraction form
47,177,582.58/65,125,152.09 = 31,716,635.22/x - Step 3: Cross multiply
47,177,582.58x = 65,125,152.09 × 31,716,635.22 - Step 4: Simplify right side
47,177,582.58x = 2,065,550,692,485,550.75 - Step 5: Solve for x
x = 2,065,550,692,485,550.75/47,177,582.58 - Step 6: Final answer
x = 43,782,461.49
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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.