Finding the Fourth Proportional to 48,811,665.12, 67,360,106.16 and 27,081,581.28
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Solution
The fourth proportional to 48,811,665.12, 67,360,106.16 and 27,081,581.28 is: 37,372,586.77
Step by Step Solution
- Step 1: Write the proportion equation
48,811,665.12 : 67,360,106.16 = 27,081,581.28 : x - Step 2: Convert to fraction form
48,811,665.12/67,360,106.16 = 27,081,581.28/x - Step 3: Cross multiply
48,811,665.12x = 67,360,106.16 × 27,081,581.28 - Step 4: Simplify right side
48,811,665.12x = 1,824,218,190,001,468.75 - Step 5: Solve for x
x = 1,824,218,190,001,468.75/48,811,665.12 - Step 6: Final answer
x = 37,372,586.77
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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.