Finding the Fourth Proportional to 80,011,841.07, 110,434,103.67 and 48,643,224.63
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Solution
The fourth proportional to 80,011,841.07, 110,434,103.67 and 48,643,224.63 is: 67,138,449.01
Step by Step Solution
- Step 1: Write the proportion equation
80,011,841.07 : 110,434,103.67 = 48,643,224.63 : x - Step 2: Convert to fraction form
80,011,841.07/110,434,103.67 = 48,643,224.63/x - Step 3: Cross multiply
80,011,841.07x = 110,434,103.67 × 48,643,224.63 - Step 4: Simplify right side
80,011,841.07x = 5,371,870,911,632,518 - Step 5: Solve for x
x = 5,371,870,911,632,518/80,011,841.07 - Step 6: Final answer
x = 67,138,449.01
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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.