Finding the Fourth Proportional to 74,889,452.40, 112,346,620.20 and 29,452,729.20
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Solution
The fourth proportional to 74,889,452.40, 112,346,620.20 and 29,452,729.20 is: 44,183,986.87
Step by Step Solution
- Step 1: Write the proportion equation
74,889,452.40 : 112,346,620.20 = 29,452,729.20 : x - Step 2: Convert to fraction form
74,889,452.40/112,346,620.20 = 29,452,729.20/x - Step 3: Cross multiply
74,889,452.40x = 112,346,620.20 × 29,452,729.20 - Step 4: Simplify right side
74,889,452.40x = 3,308,914,581,285,850 - Step 5: Solve for x
x = 3,308,914,581,285,850/74,889,452.40 - Step 6: Final answer
x = 44,183,986.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.