Finding the Fourth Proportional to 52,073,395.20, 71,888,325.12 and 40,444,922.88
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Solution
The fourth proportional to 52,073,395.20, 71,888,325.12 and 40,444,922.88 is: 55,834,995.09
Step by Step Solution
- Step 1: Write the proportion equation
52,073,395.20 : 71,888,325.12 = 40,444,922.88 : x - Step 2: Convert to fraction form
52,073,395.20/71,888,325.12 = 40,444,922.88/x - Step 3: Cross multiply
52,073,395.20x = 71,888,325.12 × 40,444,922.88 - Step 4: Simplify right side
52,073,395.20x = 2,907,517,765,450,767 - Step 5: Solve for x
x = 2,907,517,765,450,767/52,073,395.20 - Step 6: Final answer
x = 55,834,995.09
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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.