Finding the Fourth Proportional to 74,548,014.80, 102,880,494.92 and 44,787,765.20
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Solution
The fourth proportional to 74,548,014.80, 102,880,494.92 and 44,787,765.20 is: 61,809,660.02
Step by Step Solution
- Step 1: Write the proportion equation
74,548,014.80 : 102,880,494.92 = 44,787,765.20 : x - Step 2: Convert to fraction form
74,548,014.80/102,880,494.92 = 44,787,765.20/x - Step 3: Cross multiply
74,548,014.80x = 102,880,494.92 × 44,787,765.20 - Step 4: Simplify right side
74,548,014.80x = 4,607,787,450,136,753 - Step 5: Solve for x
x = 4,607,787,450,136,753/74,548,014.80 - Step 6: Final answer
x = 61,809,660.02
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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.