Finding the Fourth Proportional to 75,351,207.44, 103,977,558.95 and 42,305,002.40
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Solution
The fourth proportional to 75,351,207.44, 103,977,558.95 and 42,305,002.40 is: 58,376,912.99
Step by Step Solution
- Step 1: Write the proportion equation
75,351,207.44 : 103,977,558.95 = 42,305,002.40 : x - Step 2: Convert to fraction form
75,351,207.44/103,977,558.95 = 42,305,002.40/x - Step 3: Cross multiply
75,351,207.44x = 103,977,558.95 × 42,305,002.40 - Step 4: Simplify right side
75,351,207.44x = 4,398,770,880,194,478.50 - Step 5: Solve for x
x = 4,398,770,880,194,478.50/75,351,207.44 - Step 6: Final answer
x = 58,376,912.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.