Finding the Fourth Proportional to 117,405,301.62, 162,001,740.99 and 67,161,531.63
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Solution
The fourth proportional to 117,405,301.62, 162,001,740.99 and 67,161,531.63 is: 92,672,859.76
Step by Step Solution
- Step 1: Write the proportion equation
117,405,301.62 : 162,001,740.99 = 67,161,531.63 : x - Step 2: Convert to fraction form
117,405,301.62/162,001,740.99 = 67,161,531.63/x - Step 3: Cross multiply
117,405,301.62x = 162,001,740.99 × 67,161,531.63 - Step 4: Simplify right side
117,405,301.62x = 10,880,285,051,614,952 - Step 5: Solve for x
x = 10,880,285,051,614,952/117,405,301.62 - Step 6: Final answer
x = 92,672,859.76
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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.