Finding the Fourth Proportional to 112,345,527.74, 155,041,616.34 and 62,785,899.99
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Solution
The fourth proportional to 112,345,527.74, 155,041,616.34 and 62,785,899.99 is: 86,647,217.86
Step by Step Solution
- Step 1: Write the proportion equation
112,345,527.74 : 155,041,616.34 = 62,785,899.99 : x - Step 2: Convert to fraction form
112,345,527.74/155,041,616.34 = 62,785,899.99/x - Step 3: Cross multiply
112,345,527.74x = 155,041,616.34 × 62,785,899.99 - Step 4: Simplify right side
112,345,527.74x = 9,734,427,417,811,190 - Step 5: Solve for x
x = 9,734,427,417,811,190/112,345,527.74 - Step 6: Final answer
x = 86,647,217.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.