Finding the Fourth Proportional to 235,264,749.56, 324,663,562.62 and 129,415,891.40
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Solution
The fourth proportional to 235,264,749.56, 324,663,562.62 and 129,415,891.40 is: 178,592,944.50
Step by Step Solution
- Step 1: Write the proportion equation
235,264,749.56 : 324,663,562.62 = 129,415,891.40 : x - Step 2: Convert to fraction form
235,264,749.56/324,663,562.62 = 129,415,891.40/x - Step 3: Cross multiply
235,264,749.56x = 324,663,562.62 × 129,415,891.40 - Step 4: Simplify right side
235,264,749.56x = 42,016,624,361,567,024 - Step 5: Solve for x
x = 42,016,624,361,567,024/235,264,749.56 - Step 6: Final answer
x = 178,592,944.50
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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.