Finding the Fourth Proportional to 61,314,582.44, 91,581,009.99 and 55,469,792.54
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Solution
The fourth proportional to 61,314,582.44, 91,581,009.99 and 55,469,792.54 is: 82,851,084.07
Step by Step Solution
- Step 1: Write the proportion equation
61,314,582.44 : 91,581,009.99 = 55,469,792.54 : x - Step 2: Convert to fraction form
61,314,582.44/91,581,009.99 = 55,469,792.54/x - Step 3: Cross multiply
61,314,582.44x = 91,581,009.99 × 55,469,792.54 - Step 4: Simplify right side
61,314,582.44x = 5,079,979,624,748,967 - Step 5: Solve for x
x = 5,079,979,624,748,967/61,314,582.44 - Step 6: Final answer
x = 82,851,084.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.