Finding the Fourth Proportional to 64,520,742.24, 89,038,575.36 and 35,547,366.24
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Solution
The fourth proportional to 64,520,742.24, 89,038,575.36 and 35,547,366.24 is: 49,055,338.45
Step by Step Solution
- Step 1: Write the proportion equation
64,520,742.24 : 89,038,575.36 = 35,547,366.24 : x - Step 2: Convert to fraction form
64,520,742.24/89,038,575.36 = 35,547,366.24/x - Step 3: Cross multiply
64,520,742.24x = 89,038,575.36 × 35,547,366.24 - Step 4: Simplify right side
64,520,742.24x = 3,165,086,847,809,760 - Step 5: Solve for x
x = 3,165,086,847,809,760/64,520,742.24 - Step 6: Final answer
x = 49,055,338.45
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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.